Biff

To accidentally exhale when taking a hit from a bong or marijuana pipe, causing the weed to fly out of the device.

Dude, you biffed it! Now we gotta pack it again and there's a burn mark in the carpet. Good one, asshole!

by John October 12, 2003

biff

The main character in the book, Lamb The Gospel According to Biff, Christ's Childhood Pal. He invented sarcasm.

"La-la-la. Hey Roman guy, too bad about your getting stabbed. La-la-la. It's probably not a message from God or nothing. La-la-la. Telling you that maybe you should have gone home, la, la, la. Instead of oppressing the chosen people who God hisownself has said that he likes better than you. Fa, la, la, la." -Biff, when distracting a Roman gaurd so Jesus could bring a man back from the dead when they were young.

by Cricket June 19, 2004

Biff

In short, a dick fart. The male version of a queef. Although this is physically imposable, it is a hilarious concept. Used as a derogatory term.

If you don't think this word is funny, your a biff.

by Bazooka Jay September 27, 2009

Biff

Derogatory term for a practitioner of Brazilian Jiu Jitsu / Submission Wrestling who relies on brute strength rather than technique or uses dirty tactics to achieve victory. (n)

"Man, I just sparred that new guy in the black gi and he nearly tore my fucking ear off, what a biff!"

by monkey puzzle January 10, 2010

BIFF

Best Internet Friends Forever

Internet Buddy #1: Will you be my BIFF?
Internet Buddy #2: Oh really? Do ya mean it?

Internet Buddy #1: Yep.
Internet Buddy #2: Yes, yes of course I will be your BIFF.

by Captain "Soap" MacTavish February 20, 2010

Biffle

Silent, but intentional fart.

Sum nigga dun biffled in my Cadillac!

by Matt Dawg July 28, 2005

bifacial

A couple (boyfriend girlfriend, husband wife etc) in which one is extremely good looking and the other is homely or ugly as fuck.
Hence bi-facial

Oprah with Hugh Jackman, bifacial

"Did you see that hot girl with that old man, they are definitely bifacial"

by Mattywompus April 3, 2009