Originally used in reference to the region between the anus and the genitals (female genitals specifically), more recently used to describe someone who is irritable and difficult.
"FOT."
"You're a fot."
"That bitch is a fot."
"Stop being a fot."
"My girlfriend is on the rag this week. She's being such a fucking fot-ass."
"She won't put out, what a fot."
"Fotty-fot."
"That fot-ass punched me in the nuts."
"These are some fotty sausages."
"The back of Duane's head looks like fot-shit-in pant."
"You're a fot."
"That bitch is a fot."
"Stop being a fot."
"My girlfriend is on the rag this week. She's being such a fucking fot-ass."
"She won't put out, what a fot."
"Fotty-fot."
"That fot-ass punched me in the nuts."
"These are some fotty sausages."
"The back of Duane's head looks like fot-shit-in pant."
by Alex, Andre, Steve V. August 31, 2006