Top Definition
the male version of a bra to create support for man boobs. First introduced in the show Seinfeld.
"Did you see that guy running? He really should get himself the Bro."
by cybercj September 28, 2007

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can't function without each other and must be holding hands at all times.
-The bros are mad chill we should party with them tonight!
-ya totally! as long as kevin downs isn't there!
by gayRfoster February 10, 2009

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