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1.
of or stemming from spicy greasy foods ingested that cause a rumbly sensation in your digestive tract which usually ends up as diarrhea.
as an adjective, Mary, did you have a gwerpy taco?
by martin word werks July 29, 2011
 
2.
people that have sex with animals.
you let your dog lick your nutz? you are such a gwerp
by Britty G March 12, 2008