Biff

To have sex with someone. The act of biffing, to be or to be biffed.

"I'd really like to biff lucy, she's very fit."

or

"I biffed steve's mum last night!"

by FTH1865 November 11, 2009

Biff

To smack someone in the back of the head with your hand flat. Just a little hit for something you did that was a mistake, dumb or uncalled for.

Biff him if he's not telling the truth.

by Cassandrajane March 30, 2009

Biff

Something that is really cool, something awesome and stellar

Whoa that movie was so biff!
How are u doing?, im doing pretty biff!

by Biff12345678 May 11, 2012

BiFF

A secret society, who meets to practice and discuss an ancient Armenian philosophy of the same name, little known to outsiders.

Biff reveals the combined knowledge of the last 4,000 years
OR
It is believed that the Biff elders held the Biff meeting in Isfahan, but this is only a suspicion.

by Virlm February 07, 2009

Biff

To throw or discard something

"hey, biff this wrapper in the garbage for me"

by CarolinelizabetH September 11, 2008

Biff

To accidentally exhale when taking a hit from a bong or marijuana pipe, causing the weed to fly out of the device.

Dude, you biffed it! Now we gotta pack it again and there's a burn mark in the carpet. Good one, asshole!

by John October 12, 2003

biff

The main character in the book, Lamb The Gospel According to Biff, Christ's Childhood Pal. He invented sarcasm.

"La-la-la. Hey Roman guy, too bad about your getting stabbed. La-la-la. It's probably not a message from God or nothing. La-la-la. Telling you that maybe you should have gone home, la, la, la. Instead of oppressing the chosen people who God hisownself has said that he likes better than you. Fa, la, la, la." -Biff, when distracting a Roman gaurd so Jesus could bring a man back from the dead when they were young.

by Cricket June 20, 2004