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Another way to say "I swear", or to make someone believe you are legit telling the truth. When you "bible it" you better not be lying or you will rot in hell. Also a phrase the Kardashians use and the OVP.
Olivia: Lady I saw your boyfriend cheat on you.

Kali: I don't believe you, my boyfriend would never cheat on me.

Olivia: I BIBLE IT.

Kali: Oh man! He is getting it.
by peaceovppeace November 07, 2010
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