Gwingger

Gwingger is a slur used to describe a Wigger who has red hair. A Gwingger mixes all the negative stereotypes of gingers and wiggers. They are usually former scrawny bullied gingers who now over compensate.

Simon: "Casper is such a Gwingger, his pants sag"
Michael: "Oh Casper the red head from kid from gym and English class?"