English

Noun

meathead ‎(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. A jock. A brute.

   Gary was a hulking meathead who, when he wasn't playing football, was either hunting, fishing or getting drunk and rowdy in some topless bar.

3. (military, slang, Canada) a member of the Canadian Forces Military Police.

References

1. ↑ “meathead” in Merriam-Webster Online Dictionary, Merriam-Webster Online.