1. A female piece of clothing.
2. What some surfboarders (snow, and skate) refer to each other as friends.
What up bra, whatcha been up to?
by Sam_S. April 27, 2008
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A girl who acts like a bro, but is obviously a girl. Has many variations such as a pushup bra (those who try to maintain their femininity) or a sports bra (those who don't mind being considered a guy sans the male genitialia).
Sydney F is a total sports bra ever since she took pe softball class so seriously.

Yeah, well Christine Con might work for the baseball team, but she is still a total push-up bra.
by Not Taken By Someone Else August 05, 2009
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In Dirac Notation of quantum mechanics, the representation of a state. The complex conjugate of a ket. Denoted as <f| where f can be a wave function or a set of quantum numbers. Analogous to a row vector in linear algebra. The name originates from separating a bracket ( <f|f'> ) into a bra ( <f| ) and a ket ( |f'> ).
<nlm| is a bra representation of the Hydrogen atom with quantum numbers n, l, and m.
by Artin March 01, 2006
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The last cloth barrier that restricts access to Heaven. Mmmmmmmm.
If I could get yor bra off I'd be in Heaven!
by Steven Braun September 24, 2007
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a short hand form of the word "brother", Cape variation of the American "bro". Used most often by locals, gangsters and surfers
"Hoezit my bra, waar's jou cherrie ek se?" (tranlsation: "Hello Brother, where's your girlfriend I say?"
by jon monsoon November 01, 2007
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