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Friend: Sorry, can't meet you tonight. Patricia and I are going to have sex, and, well, that's more important than you.
You: fyb!
by Geoff May 07, 2005
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2
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
by That Guy and his friend October 22, 2010
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5
Fuck Yeah Bitch! An expression used when something is really exciting, or awesome.
"I'm so glad it's Friday, I'm going to get so drunk tonight"

"FYB!"
by mjs82 October 10, 2008
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