An abbreviation for Get Some Brain.
Bill "What are you doing tonight"
Bob "Oh Im hangin with that chick Jane"
Bill "Nice dude GSB"
Bob "Ill try"
by Duckswin March 19, 2009
10 more definitions
Top Definition
grow some balls
guy 1: man i wanna go talk to that girl...but i'm scared
guy 2: dude gsb it's not even that serious
by getsmart July 26, 2010
Grab Some Bench
Be lazy, do nothing, relax
I'm gonna sit here and GSB.
by OGRE T December 29, 2007
an abbreviation for gay / str8 / bi, often used in instant messages

q: so, what ru GSB?
a: S
by ubernostrum December 29, 2005
an acronym for get some butt. commonly referred to when going to a party with a large amount of women.
dude well go to this party and defintiely G.S.B. , dude G.S.B fa sho tonight
by IndianaPimpin219 February 20, 2011
Another word for "geekstinkbreath", a Green Day site and message board community.
It is well known for it's slashers and "Teenie vs Original" fights.
Oh fuck, the GSB mods are more vicious today than the time they killed the Mike Mafia.
by MiaTheCat October 13, 2005
Gay Sex Banana. A term to show outrageous affection to one. Usually used for sex enthusiasts that shall be left unamed.
GSBs to take over the world!
by The One Of Only Two GSB February 20, 2007

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