8
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
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9
An acronym for: Best Irish Friend For Years
While travelling abroad with your fellow Irish men one might ask about your relationship with eachother:
Foreigner - "So, how do you know Séamus Horan?"
Irish man - "Oh Shay Horah, he is my Biffy!"
by Estebong September 20, 2016
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11
A person who thinks that they are macho but in reality are nothing at all.
My father always tries to act strong, but he is only biffy.
by Word of the Day June 06, 2004
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12
A term used by me and my friend alex to describe people that act like fucktards all the time.

often used in times of obviousness and stupidity.

refers to biffy clyro.

NOTE: i do not agree with the word retard. i just used it as a tag because most people say it all the time.
EXAMPLES:

1) I AM TEH MOOUUNNTAAINNN I AMM TEHH SEEAA YOOU CANNT TAAKKEE THAAT AWAY FROMM MEE LIKE YOU DID MYY DEFORMMEDD CHILLDDDREEEN.

2) Dude, what a biffy.

3) Fucking biffy.

4) lawl at that biffy mayte.

5) DUDE CHECK OUT THAT BIFFY! LOLGASM.

6) (a biffy points out something obvious)
WELL DONE BIFFY! -sarcasm- -claps hands wrong way- DUUHHH
by PROJECT_666 September 05, 2008
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