biff

Spliff, cannabis cigarette, joint, doobie etc etc

Let just sit here and smoke a massive biff.

Smoking that biff was a poor idea before work.

by AlexHag November 24, 2006

biff

The nemesis of Marty in the Back To the Future film series. Marty manages to encounter several different relatives of the Tanner family throughout the three BTF movies.

Biff - "How about you make like a tree, and get out of here!"

by Lon September 5, 2005

biff

to screw something up in any way, minimal or major can constitute the use if the word "Biff".

Don't biff this one up like last time.

by Alex Osmond May 13, 2005

biff

A casual term for sexual intercourse

Tim's nuts resembled coconuts, he hasn't had a biff in weeks apparently!

by Richard r January 16, 2008

biff

BFF
if you sound "BFF" out, it sounds like "biff"
so instead of people saying B.F.F., they say biff.

"aww i love you biff"

by aseresssgadsr November 1, 2008

BIFF

To have an epic fail or get seriously hurt.

"Dude that skate boarder just BIFFED it." "Hey did u hear that a kid BIFFED it down the stairs by the school."

by DeltaSnipr April 9, 2010

biff

derived from the abbreviation "BFF" which stands for "best friend(s) forever."

noun: one's best friend, a term of endearment.

adjective: a way to describe and/or name your best friend.

"do you know that girl morgan smith?"
"of course, she's my biff!"

best friend: "oh i'm so upset!"
you: "what's wrong, biff?"

by mandi van a. April 7, 2008