look up any word, like spook:
 
3.
best friend forvever , a more musical version of bff
1)ohhh i love you , you're my biffy!!
2)hey biffy come on over
by ZORKI ZORK November 15, 2005
 
1.
outdoor toilet particularly in the midwest
kristine pooped in the biffy
by 718-ti83plus January 24, 2007
 
2.
Biffy=Bathroom, Restroom.
"I'll be back I need to visit the biffy"
by Imnot2bzy July 22, 2004
 
4.
Friend With Benefits

Booty Call

Fuck Buddy
I'm about to call my biffy to see if he/she wants to chill
by Kgmthemovement June 04, 2014
 
5.
A word used by best friends whose love for each other is untouchable & unconditional. The word is used when addressing the best or speaking of the friend to others. Other words also commonly used are "Bifster" "Biffinator" and the ever so infamous "Biffy Bifferson"
Example #1
Best Friend #1: Biffy! I'm so happy your here!
Best Friend #2: Of course I came Bifster, I'm your best friend, I wouldn't miss this for the world.

Example #2:

Best Friend #1: Does this outfit make me look fat?
Best Friend #2: Girlfriend! You look great! I don't have ugly friends, you should know that by now Biffy Bifferson!
by Starkiss_633 October 07, 2011
 
6.
An underground name for a very attractive woman or a woman's Vagina.
Chris: Yo Beck, gimme that Biffy
Beck: Eww no way Freak!
by JIMMYBOY1 January 11, 2011
 
7.
A Spliff. A cigarette rolled with both tobacco and marijuana. Alternative to the word Bifta.
Roll a Biffy Jamie

by NorfolkRaver July 10, 2008