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1.
A best friend for life. Comes from the acronym, BFFL.
Liz and Erica are totally biffels.
by Erica P. November 28, 2005
 
2.
A best friend for life. Comes from the acronym BFFL.
man that KT and Topher sure are the best biffels I've ever seen! THEY ARE SO INSEPARABLE
by poutpoutfish February 21, 2011
 
3.
Best Friends.
like BFFL.
thank you Olga for that great word.
i am forever worthy or you and it!

Olga and i are biffel's. i got it's back. it's got mine!
by ilovejonasbrothers September 01, 2008
 
4.
A word meaning Boyfriend for Life... started as bffl, then added the I and E to make it a "real" word.
"hey, look! isn't that your biffel over there??"
"yep, that's him!!"
by cpugeek1111 April 12, 2010
 
5.
The skin between your balls and your asshole.
Damn by biffel is itchy!
by GOOSA!!!!1111 March 26, 2004
 
6.
means anything u want it to
You r so Bilffel baby

your clothes are biffel
by Kimmy kims May 31, 2008