1) Derived from the words Guinea and Wok: A Guinewok means someone who loves guinea pigs too much
2) A massive piece of shit that fucked my mom
1) Tom: Dude, Have you seen Alex? he's a Guinewok for sure!
Bob: Yeah.
2)Tom: Alex is a Guinewok for sure, he fucked my mom 2 weeks ago!
Bob: Yeah.