The kind of forehead that few people have because most people have small-ass foreheads. People who have them are often made fun of by dense failures of society who have nothing better to do with their free time and refuse to see their own (obvious) flaws.
by cray-cray unicorn:) December 23, 2014
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A tendency for the gluteus to be ever there.

Abbreviated B.A.S

See Also: Jumpulous
Patient: Doctor B I'm having difficulty fitting into my jeans.

Doctor B: I'm afraid you have a severe case of

B.A.S. Very advanced, the best I've ever seen!

Patient: B.A.S.?! OMG Doctor, what is that?!

Doctor B: BIG AYASS SYNDROME!!
(big ass syndrome)
by Jpizzlethebyrd May 22, 2010
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a document that is over a few pages. Usually found at a presidential library. The term is best used in a large class room setting, resulting in you looking like an idiot.
While copying someone else's paper topic, David asked the professor, what if we were to find a big ass d?
by prezfordpardon December 15, 2010
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The ridiculously large chain worn by T-Pain. It's first public appearance was at the 2009 BET awards. The chain is 1 foot by 1 foot and literally says "BIG ASS CHAIN".
"Yo did you see that big ass chain T-Pain had on at the BET Awards" "Yea that was his Big Ass Chain.
by Dr. pop-hip-hop January 19, 2010
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means what it is called; BIG fucking boobys; A girl or possibly a fat or kind of chunky guy with some big boobs or man boobs
Wow Jessica Simpson has Big ass tittys!

That girl has fucking Big ass tittys man!

That fuckin fat ass over there has some bug ass tittys
by The Champion December 18, 2004
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Big ass is a way of saying dumbass or idiot
It was created by rack00nz in a PS4 party
Whilst he was playing call of duty cold war.
"Isn't Brazil in Africa?"

"Ur such a big ass bro"

"AHHHHHHHHH"

"Shut the fuck up you big ass"

"This girl just rejected me"

"Yeah cause ur a big ass"
by Rack00nz October 15, 2022
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Having a lot of courage or bravery to do something.
He got some big ass balls for asking that girl out.
by Purple8InchCock88812 March 9, 2017
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