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

To fuck something up

"Jack knocked over my drink and biffed"

or just simply say "you biffed"

by Tkrizz January 4, 2008

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

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

biff

best friends; besties

Jason and Michelle are going to be biffs forever and ever and ever and ever and ever. :)

by TeKn1qu3z April 24, 2008

biff

1. To have sexual intercourses with another creature; usually human

2. To masterbate

3. To ejaculate

1. "Max biffed katie last night; its not awkward at all"

2. "I just biffed one out"

3. "Apparently billy biffed all over his face."

by Max Mather December 15, 2010