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Comedic offshoot of the phrase "Gay Boy".

A putdown, meaning that the subject is not cool, the odd one out, or doing something the speaker does not like.

Also can be used to describe a 1997 Nissan Altima in Westland, Michigan.
Al-"Hey man, can I use your car?"
Jon-"No way bro, you'll crash it!"
Al-"What a GayBuay!"

"You drivin' the GayBuay?"
by Deno McThrash August 13, 2008
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