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Best Friend For Infinity

Pronounced "biffy", BFFI is used as a term of endearment for a great friend, whom you hope to be friends with longer than life, or forever, but rather, infinitely.
I consider Danielle, Hillary and Ashley BFFI's, I'd help them kick any ones ass and I know they'd do the same for me!

My BFFI and I are going to the mall. No, you're not invited, Paul.
BFFI by eTwatkins September 24, 2011
Related Words
Dawn is Staci's BFFI...
BFFI by TeddiLeigh April 29, 2009
(n). Acronym. Literally, "Big Mother F**ker In Charge", a term coined by workers to describe the manager with the greatest amount of oversight at their place of employment using the popular anacronym-as-job-description format so popular in corporate culture (CEO, COO, GM, etc.). May also be used in reference to anyone that assumes authority in a given situation.
"You want to go to lunch now? Hang on, and I'll check with the BMFIC..."

"Hey, who made you the BMFIC???"
BMFIC by pm1960 August 19, 2009
The many ways (strange/unusual/paranormal/hallmark/cheesy/corny/sweet/loving/controlling) your BFF behaves towards you and your shared friendship of devotion, adherence, usage, characteristic ,state or condition; which designates a doctrine to your referenced designated BFF.

-ism suffix (Greek) - formation of nouns which denotes practice or action from verbs.
Janny: Car - you need to get off your whorish way's on FB!

Car: Janny, thanks for your bffism all these years! Without your bffism, I would not be the same.

Janny: I TOLD YOU! STOP BEING A SLUT!

Car: Awwww - I heart you too! by the way, your bffism stinks!
Bffism by Car Sun- August 25, 2010

bffizzle 

another word for best friends, derived from BFF with izzle attached at the end to make it pimpin
Lisa: Hey you know we be besties till we die...
Deirdra: Hell no hoe... we be BFFizzles till we die bee-otch
bffizzle by POTAJE™ March 17, 2008
stands for “best friend for infinity and eternity
Girl 1- Wow you love her so much.

Girl 2- Yeah, she’s my bffie.
bffie by ughimboredagain.. May 23, 2021