biff 

n. Any general act of stupidity or misfortune. Oftentimes a directly the result of the person's action.

V. The act of making a biff.

"He biffed really bad this time."
"You shoulda seen him biff when he tried to talk to that girl."

n.
"You really biffed that test."
"That was a hardcore biff."
v.
"He biffed really bad this time."
"You shoulda seen him biff when he tried to talk to that girl."

biff by Second Elliot Skankies March 28, 2005

biff 

1. A girl who when seen while fast-forwarding appears to be smokin', but when watched at regular video speed, is found to be unattractive.

2. A girl who could possibly be attractive when seen while fast-forwarding, but is unattractive normally.

I went back to watch the commercial, but it turned out she was just a biff.

biff by Love Rhino December 20, 2010

biff 

a woman with 2 butts, one in the back and one in the front

Person #1: Damn my spanish teacher is such a fat lard.
Person #2: I know. She's a biff.

biff by quimbybooker September 23, 2006

Biff 

Great, splendid, super, grand

Usage: 1. “Check out this biff marching band jacket I just stole from Thrift Village,” 2. “Biffic blimey, it’s massive!”

Relevance: Milpitas, CA, (specifically Gross Street), c. 1979-1982

Reference: Kozonowski Family; Blood, Ben, Backfield: the Movie; Ben Barber; BAN

Biff by Wilde Family May 6, 2008

biff 

The Bit between your balls and your bum!
(Medical Term-Perineum)

Its a hot day, your wearing jeans and your sweating 'God my biff is well chaffed'.

biff by Dee Magennis April 23, 2005

Biff 

An old person stinking of urine who dosent have a fucking clue what he/she is talking about, known to frequent electrical stores to torment and enrage staff members

biff bifftron biffinator

Biff by kev and rab October 16, 2008

Biff 

To hit some one with extreme force.

Tam mate I'm gona biff you about for what you just said

Sam got biffed with a bat last night

Biff by Banner/Ysf May 24, 2010