biff rag 

A dirty, crusty old rag that you ejaculate into.

I gotta get down to Walmart to purchase some picture frames. For what you ask? To frame my biff rag of course.

biff rag by snakedart August 18, 2019

biff boot 

One tall shoe, often sported by spackas

"Look at the biff boot on that spacka

biff boot by Triple Double Dipper January 29, 2008

Biff Whiffer 

Alternative word for Lesbian.

"I thought Jennie had a boyfriend, but she was a biff whiffer all along."

Biff Whiffer by David75020 April 23, 2008

Biff Mitten 

a old sock that you beat off into

bob: man that girl looked like a biff mitten after jerry was through with her
bill: thats my girlfriend asshole

Biff Mitten by donttouchmycar March 24, 2011

biff sniffer

A person who likes to smell a vagina on a regular basis

Can't wait to get home and get a smell of Alison's whiffy biff you must me a biff sniffer

biff sniffer by Chief shuffle berry September 25, 2013

Biff Tannen 

The sexual maneuver in which a man uses the head of his erect penis to vigorously knock three times on his partner's forehead and then exclaim "Hello?! McFly?!", in reference to Back to the Future Part II.

"I Biff Tannen'd her so hard I put a dent in her skull and now there's blood when I urinate."

Biff Tannen by Rick James, nigga December 6, 2009

Biff Cannon 

Really huge penis shoved in a butt hole violently.

He received a biff cannon last night.

Biff Cannon by alexander the worst February 15, 2014