Hallway Marine

Those kids in school that wear camouflage 24/7 and feign military knowledge.

Common Traits include:
-Constantly bragging about how they're going to enlist
-Excessive playing of Call of Duty or Battlefield
-Brings Airsoft guns and pocket knives to school
-When talking about weaponry they use names from COD i.e KAP-40, Olympia
-Overly patriotic and a borderline warmonger

Hallway Marine: My grandpa killed 50 Nazis with a Death Machine in WWII!
Normal Person: It's called an M134 and it wasn't in service until 20 years after WWII.