Means "Fuck yo bitch" The act of stealing a man's girlfriend/wife/person they're talking to and fucking, not neccessarily in that order.
"Damn did you heard what happened to Chris Green?"
-Dude 1
"Naw, what happened?"
-Dude 2
"Cam and T-Sqz FYB'd him with his top two females on his team."
-Dude 1
"Damn, haha."
Dude 2
-Dude 1
"Naw, what happened?"
-Dude 2
"Cam and T-Sqz FYB'd him with his top two females on his team."
-Dude 1
"Damn, haha."
Dude 2
by That Guy and his friend October 22, 2010
by mjs82 October 10, 2008
by b r e e e e z y July 27, 2009
by Ninjafingerofdoom February 24, 2013
An acronym representing the phrase "Fine Young Bitch" or "Fine Young Bitches", although the latter is often represented by the plural form of the acronym: FYBs.
Harold: Fo sho, I'm so ready to meet some FYB and show her my dick!"
Mrs. Allen: What does that stand for son?
Harold: Um, fine young...nice lady.
Mrs. Allen: What does that stand for son?
Harold: Um, fine young...nice lady.
by Tigeriffic January 20, 2014
by HAKS August 04, 2005
"Hey Beth, did Rob FYB last night?"
"Nica, I heard two different guys FYB on two different nights on
your big NYC trip...starting off the new year right!!"
"Nica, I heard two different guys FYB on two different nights on
your big NYC trip...starting off the new year right!!"
by Milkalicious January 09, 2009