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1.
Def 1: When you have sex with a girl that you dont know that shes pregnant and you put your penis in her and you constantly poke the babys head.

Def 2: When you bring out your inner phyco and put your penis in a girls eye and constantly poke at the girls brain causing your dick to go bent everytime you poke at it.
Def 1:
Adrian: Man, I banged the dog shit out of your girlfriend.

Jordan: WTF, my girl is fuckin pregnant! Why would you Jabb at yo Brain!
Adrian: How was i supposed to know.... But I do have some good news
Jordan: What?
Adrian: She gives the best head
Guy named Jay walks by
Jay: You talkin bout Jordans girl I had some of that last week and you may not be the daddy.
by Geeked Up June 29, 2009

Words related to Jabb at yo Brain

brain jabb head jabb at your brain jayb knockout mike tyson wtf