BEST FRIEND FOR LIFE TILL DEATH DO US PART; used by many teenage folk to express how much they love their best friends and how close they are with each other. The day they aren't best friends anymore, is the day they die. Self Explanitory.

Samantha is like, my BFFLTDDUP.

BFFLTDDUP by karennn September 9, 2006

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BFFTFLEO

Best Friends That Fuckin' Love Each Other

We are like BFFTFLEO.

BFFTFLEO by itsmevietboi August 30, 2010

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bfflfe

Best friends for like fucking ever.

Bob and I are total BFFLFE's

bfflfe by katzo9.7 June 29, 2010

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bffltylthsfw

(acronym)

Best friend for life that you like to have sexual fun with.

"Marrisa, we have been best friends for like ever and your hot, so i think we should become bffltylthsfw's."

bffltylthsfw by Iluvdapussy August 25, 2009

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