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?"
"Naw, what happened?"
"Cam and T-Sqz FYB'd him with his top two females on his team."
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.
Buy the mug