what is a meathead
Noun [edit]. meathead â(plural meatheads). ( 1 slang) An ungainly, dull or stupid person; someone who is lazy, disrespectful and/or whose beliefs and philosophies clash with another. ( 2 slang) A large, muscular, stupid male, especially an athlete.3  A jock.ary was a hulking meathead who, when he wasn't playing football, was either hunting, fishing or getting drunk and rowdy in some topless bar. ( 1 military, slang, Canada) a member of the Canadian Forces Military Police.