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1.
To show off one skills.
Spencer: im a comp sci and social psych major
Chris: well there's no need to brag about it jesus.
by Chris Gwynne February 28, 2006
 
2.
A white girl who has sex with a black man.
"Man, you don't want to get with that bitch after she fucked LaRon, she's a b-rag."
by mrbiggieduet22 January 05, 2009
 
3.
This is a type of tool found only in the town of alpine. They are egotistical ass wipes who spend their time working out, going to church, and telling kids they're "gay". They don't do well in school and the only friends they have, are people who feel bad for them.
Sentence: Why does he have to be so rude about everything, he's acting like a Brag.
by kw1195 October 24, 2010
 
4.
Refers to a small looking bag, that is capeable of holding large objects. Seems to be magic, but it is a bottomless bag.

Can hold many useful objects.
eg- an umbrella + cigarettes + purse + mp3+ make-up + airsoft gun etc....
''Dang your brag is insane!''

''I have an umbrella in my brag''.
by YvonneTea February 07, 2010
 
5.
Verb: to brag is to drink alcohol. Noun: a brag is a drink containing alcohol.
"Let's go out a brag the night away."

"Hey, you want a brag?"
by ykdrummer91 April 17, 2010
 
6.
someone you think to be a real "friend" but will do anything they can to ruin your chances with a lady. a person who cock blocks and hates for no reason, also has deep mental problems. in addition too being very two faced.
i had a thing going with this girl I liked but fucking B-Rag cock blocked me with some lies.
by Cock blocked by B-Rag February 02, 2010
 
7.
To brag (shag) a person or persons

"I would brag her hard"
"Someones about to get bragged"
by King Ell December 27, 2005