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 07, 2018
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Big Head

Someone who believes that their importance is equivalent to the importance of the sun. Of course, they are delusional.
Boy: "I'm just really great. Chris Young ain't got nothing on this swag bag."
Girl: "You better stop saying stuff like that or else you will get a big head."
by Hotstuffswagmaster February 24, 2018
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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
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Big head

Any one having the head size of a man named Dylan Murphy. This term could also be used during a double dicking situation to describe your pleasure to another mans head.
I love your big head Daniel.

That man has a big head.
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Big Head

A sarcastic name for a close friend or lover.
Come over joor, big head!

Let's go now, big head

Olaniran is a 'big head'
by Oluwalonipeter May 06, 2021
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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 26, 2020
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