derived from the words fugly (f*cking ugly) and slampiece. It is used to describe a bro's girlfriend (or just slampeice) ...with the double meaning of fugly and slampeice. In most instances, the bro is the only one unaware that his girl is a fugpiece. so as a result he is made fun of for dating said fugpiece.
"yo, why the hell is my bro dating that fugpeice? he should at least of kept her as a slampeice instead of making it official." - zach s.
"I love making fun of fugpieces on the reg because i have nothing better to do"- Me