Pronounced; peru-get, it is on the of the many ways to insult another person. It has the same meaning as idiot, dumbass, dickhead, etc.
Person 1: Hey, can you help me pick out a new outfit, with those trendy cute shoes, a jean skirt, and those half-leg stockings?
Person 2: You want to look like every other girl?
Person 1: Yes, its the new style.
Person 2: Well then, you're a fucking peruget.