B.I.F.

Butt In Front- pussy is so fat it looks like a butt in front, see F.U.P.A

Damn that girls gotta fat B.I.F.

by justin c. October 21, 2003

F.B.I.

Fucking Bunch of Idiots

Another government employee? Yup--it's the F.B.I. again......

by Bal-der-Dash January 23, 2020

F.B.I.

F.B.I. stands for floppy ball index. The index ranges from 1-5, 1 being really tight, and 5 being the floppiest it can be.

guy one: Hey dude, whats your F.B.I.?

guy two: (grabs balls and feels around) I'm at about...a 3.

by L. marx July 16, 2008

B.I.F

Best inappropriate friend.

B.I.F: *tells inappropriate joke*
You: HAHAHHA MY B.I.F IS SO FUNNY HAHAHA

by fireearthwaterair March 19, 2019

F.B.I

fake booby implants

nuff said

by solaris December 15, 2003

F.B.I.

A person From the Big Island of Hawai'i visiting another island, especially O'ahu.

person 1: Where are you from?

person 2: F.B.I.!

by Mariann December 20, 2007

F.B.I

Federal bureau of investigation: basically people of strong power who like to screw this country over and all the people in it, in coralation with the president (a.k.a. george bush)

"hey look, its some dude from the F.B.I!"

by lalalala October 22, 2003