Best Friends For Fucking Life.
Or.
Best Fucking Friends For Life.
Or freaking or however you want to put it :)
Yay.
Amy and Janeen are BFFFL.
YUS.
by Amy Mya May Yam Aym Yma August 15, 2007
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BFFFL, to be best friends forever for life

A: Hey, wanna be BFF?!
B: Hael no, how 'bout BFFFL!
A: Huh?
B: Sh, sh, don't ruin the moment...
by Momijix July 25, 2008
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Pronounced Buh-Fif-Fl. Best Fucking Friends For LIFE.

Made popular by the somewhat of a let-down movie, "Pineapple Express".

Related: PiC, Bring the Shovel, Brother from Another
Shell: Hi, BFFFL!
Joan: Hi, BFFFL. I miss you!
by azionamento June 03, 2010
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A phrase for "Total Drama Island"/"Total Drama Action" that stands for Best Female Friends For Life
Katie and Sadie are so BFFFL that they share the same brain.
by The Cartoon Queen January 15, 2010
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Caitlin: I like pizza and 5 Seconds of Summer.

Me: OMG Caitlin is now my BFFFL ♡_♡
by Habe123 October 15, 2015
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