(n) A person who is your best friend and you and everyone else finds him or her very attractive and or sexy and they are ignorant to this beauty. This attractiveness is not bias and is not derived from the fact that they are your best friend. They have just kind of grown out of awkwardness and stumbled into beautiful perfection.
My Biffy is the highlight of my day and the beautiful sunshine that inspires my everything.
by Nards of Enith April 9, 2019
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A term commonly used by our grandparents/ aunties and uncles that refers to the bathroom. It is a nice way for old people to politely make things awkward and let you know they have to go take a dump. Often say it in public places like Sears or the food court at the mall.

Biffie is often mistaken for some sort of cute way of saying BFF's and Besties but it actually makes you think of grandma grunting one out in the Smitty's washroom."
"Keep your eyes out for the washroom kiddo, Grandma had McDonald's for lunch and it always makes her have to go to the biffie."
by TimTimTimTim March 28, 2013
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A bathroom, especially a portable one. From BFI, whose distinctive blue portable toilets were once dominant.
"Hold on, I gotta hit the Biffie." In the 1970's a girl camper might "visit Biffirina."
by TedC October 25, 2017
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A Spliff. A cigarette rolled with both tobacco and marijuana. Alternative to the word Bifta.
Roll a Biffy Jamie

by NorfolkRaver July 11, 2008
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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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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 8, 2011
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Biffie is used as a term of endearment for a best friend whom you have been friends with FOREVER & will continue to be friends NO MATTER WHAT! Through thick & thin..Biffie's have been through it all!

it's you and me together forever and never apart, maybe in distance, but never in heart. =)
Deana & Kelly prime example of Biffie
by The Biffie =) October 11, 2011
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