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.
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?"
"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

by TeKn1qu3z April 24, 2008

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."
2. "I just biffed one out"
3. "Apparently billy biffed all over his face."
by Max Mather December 15, 2010

by Caper Breton Boy February 17, 2018

by fat a$$$$ November 12, 2020

To fall, very painfully.
by xlxjackelxlx March 19, 2011

by Nicole August 30, 2008
