diff --git a/include/argparse/argparse.hpp b/include/argparse/argparse.hpp
index 8c9c410..1f9d17d 100644
--- a/include/argparse/argparse.hpp
+++ b/include/argparse/argparse.hpp
@@ -459,6 +459,16 @@ public:
     return *this;
   }
 
+  // This is shorthand for:
+  //   program.add_argument("foo")
+  //     .default_value(false)
+  //     .implicit_value(true)
+  Argument &flag() {
+    default_value(false);
+    implicit_value(true);
+    return *this;
+  }
+
   template <class F, class... Args>
   auto action(F &&callable, Args &&...bound_args)
       -> std::enable_if_t<std::is_invocable_v<F, Args..., std::string const>,
diff --git a/samples/compound_arguments.cpp b/samples/compound_arguments.cpp
index c2f6d53..721fffa 100644
--- a/samples/compound_arguments.cpp
+++ b/samples/compound_arguments.cpp
@@ -5,9 +5,9 @@
 int main(int argc, char *argv[]) {
   argparse::ArgumentParser program("test");
 
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-b").default_value(false).implicit_value(true);
+  program.add_argument("-b").flag();
 
   program.add_argument("-c")
       .nargs(2)
diff --git a/samples/description_epilog_metavar.cpp b/samples/description_epilog_metavar.cpp
index 02f12dd..820e037 100644
--- a/samples/description_epilog_metavar.cpp
+++ b/samples/description_epilog_metavar.cpp
@@ -8,7 +8,7 @@ int main(int argc, char *argv[]) {
   program.add_argument("--member")
       .help("The alias for the member to pass to.")
       .metavar("ALIAS");
-  program.add_argument("--verbose").default_value(false).implicit_value(true);
+  program.add_argument("--verbose").flag();
 
   program.add_description("Forward a thing to the next member.");
   program.add_epilog("Possible things include betingalw, chiz, and res.");
diff --git a/samples/positional_argument.cpp b/samples/positional_argument.cpp
index 07efc6a..68959f1 100644
--- a/samples/positional_argument.cpp
+++ b/samples/positional_argument.cpp
@@ -9,7 +9,7 @@ int main(int argc, char *argv[]) {
       .help("display the square of a given number")
       .scan<'i', int>();
 
-  program.add_argument("--verbose").default_value(false).implicit_value(true);
+  program.add_argument("--verbose").flag();
 
   try {
     program.parse_args(argc, argv);
diff --git a/test/test_compound_arguments.cpp b/test/test_compound_arguments.cpp
index fc25fdc..927e5b2 100644
--- a/test/test_compound_arguments.cpp
+++ b/test/test_compound_arguments.cpp
@@ -11,11 +11,11 @@ using doctest::test_suite;
 TEST_CASE("Parse compound toggle arguments with implicit values" *
           test_suite("compound_arguments")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-u").default_value(false).implicit_value(true);
+  program.add_argument("-u").flag();
 
-  program.add_argument("-x").default_value(false).implicit_value(true);
+  program.add_argument("-x").flag();
 
   program.parse_args({"./test.exe", "-aux"});
   REQUIRE(program.get<bool>("-a") == true);
@@ -26,9 +26,9 @@ TEST_CASE("Parse compound toggle arguments with implicit values" *
 TEST_CASE("Parse compound toggle arguments with implicit values and nargs" *
           test_suite("compound_arguments")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-b").default_value(false).implicit_value(true);
+  program.add_argument("-b").flag();
 
   program.add_argument("-c").nargs(2).scan<'g', float>();
 
@@ -56,9 +56,9 @@ TEST_CASE("Parse compound toggle arguments with implicit values and nargs and "
 
   program.add_argument("numbers").nargs(3).scan<'i', int>();
 
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-b").default_value(false).implicit_value(true);
+  program.add_argument("-b").flag();
 
   program.add_argument("-c").nargs(2).scan<'g', float>();
 
@@ -73,9 +73,9 @@ TEST_CASE("Parse out-of-order compound arguments" *
           test_suite("compound_arguments")) {
   argparse::ArgumentParser program("test");
 
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-b").default_value(false).implicit_value(true);
+  program.add_argument("-b").flag();
 
   program.add_argument("-c").nargs(2).scan<'g', float>();
 
@@ -93,9 +93,9 @@ TEST_CASE("Parse out-of-order compound arguments. Second variation" *
           test_suite("compound_arguments")) {
   argparse::ArgumentParser program("test");
 
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-b").default_value(false).implicit_value(true);
+  program.add_argument("-b").flag();
 
   program.add_argument("-c")
       .nargs(2)
diff --git a/test/test_default_value.cpp b/test/test_default_value.cpp
index 8ee8dfc..5287173 100644
--- a/test/test_default_value.cpp
+++ b/test/test_default_value.cpp
@@ -35,8 +35,8 @@ TEST_CASE("Use a default value with flag arguments" *
                         "chromatin, used ',' to split."})
       .default_value("all");
 
-  program.add_argument("-l").default_value(false).implicit_value(true);
-  program.add_argument("-o").default_value(false).implicit_value(true);
+  program.add_argument("-l").flag();
+  program.add_argument("-o").flag();
 
   program.add_argument("filename");
 
diff --git a/test/test_help.cpp b/test/test_help.cpp
index db4f49f..864a807 100644
--- a/test/test_help.cpp
+++ b/test/test_help.cpp
@@ -95,7 +95,7 @@ TEST_CASE("Multiline help message alignment") {
           R"(#Lorem ipsum dolor sit amet, consectetur adipiscing elit.
 #Sed ut perspiciatis unde omnis iste natus error sit voluptatem
 #accusantium doloremque laudantium, totam rem aperiam...)");
-  program.add_argument("--verbose").default_value(false).implicit_value(true);
+  program.add_argument("--verbose").flag();
 
   std::ostringstream stream;
   stream << program;
diff --git a/test/test_optional_arguments.cpp b/test/test_optional_arguments.cpp
index 65ea25f..74a4c25 100644
--- a/test/test_optional_arguments.cpp
+++ b/test/test_optional_arguments.cpp
@@ -30,7 +30,7 @@ TEST_CASE("Argument '-' is not an optional argument" *
 TEST_CASE("Argument '-' is not an optional argument but '-l' is" *
           test_suite("optional_arguments")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("-l").default_value(false).implicit_value(true);
+  program.add_argument("-l").flag();
   program.add_argument("input");
   program.parse_args({"./test.exe", "-l", "-"});
   REQUIRE(program.get<bool>("-l") == true);
@@ -40,7 +40,7 @@ TEST_CASE("Argument '-' is not an optional argument but '-l' is" *
 TEST_CASE("Argument '-l' is an optional argument but '-' is not" *
           test_suite("optional_arguments")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("-l").default_value(false).implicit_value(true);
+  program.add_argument("-l").flag();
   program.add_argument("input");
   program.parse_args({"./test.exe", "-", "-l"});
   REQUIRE(program.get<bool>("-l") == true);
@@ -50,7 +50,7 @@ TEST_CASE("Argument '-l' is an optional argument but '-' is not" *
 TEST_CASE("Parse toggle arguments with implicit value" *
           test_suite("optional_arguments")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("--verbose").default_value(false).implicit_value(true);
+  program.add_argument("--verbose").flag();
 
   program.parse_args({"./test.exe", "--verbose"});
   REQUIRE(program.get<bool>("--verbose") == true);
@@ -61,11 +61,11 @@ TEST_CASE("Parse toggle arguments with implicit value" *
 TEST_CASE("Parse multiple toggle arguments with implicit values" *
           test_suite("optional_arguments")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("-a").default_value(false).implicit_value(true);
+  program.add_argument("-a").flag();
 
-  program.add_argument("-u").default_value(false).implicit_value(true);
+  program.add_argument("-u").flag();
 
-  program.add_argument("-x").default_value(false).implicit_value(true);
+  program.add_argument("-x").flag();
 
   program.parse_args({"./test.exe", "-a", "-x"});
   REQUIRE(program.get<bool>("-a") == true);
diff --git a/test/test_prefix_chars.cpp b/test/test_prefix_chars.cpp
index eb26273..a5c3394 100644
--- a/test/test_prefix_chars.cpp
+++ b/test/test_prefix_chars.cpp
@@ -23,8 +23,8 @@ TEST_CASE("Parse with custom Windows-style prefix chars" *
   argparse::ArgumentParser program("dir");
   program.set_prefix_chars("/");
   program.add_argument("/A").nargs(1);
-  program.add_argument("/B").default_value(false).implicit_value(true);
-  program.add_argument("/C").default_value(false).implicit_value(true);
+  program.add_argument("/B").flag();
+  program.add_argument("/C").flag();
   program.parse_args({"dir", "/A", "D", "/B", "/C"});
   REQUIRE(program.get("/A") == "D");
   REQUIRE(program.get<bool>("/B") == true);
@@ -37,7 +37,7 @@ TEST_CASE("Parse with custom Windows-style prefix chars and assign chars" *
   program.set_assign_chars(":=");
   program.add_argument("/A").nargs(1);
   program.add_argument("/B").nargs(1);
-  program.add_argument("/C").default_value(false).implicit_value(true);
+  program.add_argument("/C").flag();
   program.parse_args({"dir", "/A:D", "/B=Boo", "/C"});
   REQUIRE(program.get("/A") == "D");
   REQUIRE(program.get("/B") == "Boo");
diff --git a/test/test_subparsers.cpp b/test/test_subparsers.cpp
index 7f261b5..a4bfac5 100644
--- a/test/test_subparsers.cpp
+++ b/test/test_subparsers.cpp
@@ -61,7 +61,7 @@ TEST_CASE("Parse subparser command" * test_suite("subparsers")) {
 TEST_CASE("Parse subparser command with optional argument" *
           test_suite("subparsers")) {
   argparse::ArgumentParser program("test");
-  program.add_argument("--verbose").default_value(false).implicit_value(true);
+  program.add_argument("--verbose").flag();
 
   argparse::ArgumentParser command_1("add");
   command_1.add_argument("file");
@@ -93,7 +93,7 @@ TEST_CASE("Parse subparser command with parent parser" *
   argparse::ArgumentParser program("test");
 
   argparse::ArgumentParser parent("parent");
-  parent.add_argument("--verbose").default_value(false).implicit_value(true);
+  parent.add_argument("--verbose").flag();
   program.add_parents(parent);
 
   argparse::ArgumentParser command_1("add");
@@ -128,7 +128,7 @@ TEST_CASE("Parse git commands" * test_suite("subparsers")) {
   add_command.add_argument("files").remaining();
 
   argparse::ArgumentParser commit_command("commit");
-  commit_command.add_argument("-a").default_value(false).implicit_value(true);
+  commit_command.add_argument("-a").flag();
 
   commit_command.add_argument("-m");