When you become so buff meat starts spreading to your brain and you don't know how to think anymore. You also starts drooling and sweating when ever you try to think, signs and symptoms would be saying the word dur consecutively and you begin having trouble forming proper sentences.
man after Wilson went to the gym he started developing big brother meat head syndrome
by Gym Teacher Mr. G September 7, 2018
mugGet the Big brother meat head syndromemug.

Big head

A big head is a common nickname create by Moses and moses only
"haylee walks by"
Moses : big head

Haylee : big head
by hayleexoxox October 20, 2021
mugGet the Big headmug.

Big Head

Big head normally relates to a person called gavin, Gavin normally has a fucking ginormous head and you can see it from the other side of the fucking universe. His head looks like a deformed potato. Gavin has a terrible personallity, each time he sees someone he doesn't like he charges his ultimate move headbutt which completely obliterates the person from existence.
Aidan: Hey you know gavin?
Jeremy: Ohhh yeah Big Head
Aidan: Yeah him
Jeremy: Yeah i really dont like him
*Hears Foosteps*
Aidan: Oh fuck your dead

*Gavin used headbutt*
Aidan: Well he had a good life
by AidsMan21 February 25, 2020
mugGet the Big Headmug.

Big Irish Head

Both an insult and a compliment, Big Irish Head is a descriptor for anyone who displays their Irishness on their head. This could be the fact that their head is shaped like a potato; they could be plastered in freckles, or simply look like a friendly wino farmer.
Hey Seán, look at the state of Wayne Rooney these days, doesn't he have a Big Irish Head on him?
by Droptheclaw July 16, 2025
mugGet the Big Irish Headmug.

Big head boi

When ur friend says something so fucking stupid and u want to mentally destroy them call them this
“When’s April fools
Shut up your a big head boi”
by Egreenberg11 March 18, 2019
mugGet the Big head boimug.

Share this definition