Definitions for GOOKgʊk, guk
Random House Webster's College Dictionary
Ref: guck .
Origin of gook:
1950–55; var. of guck
sludge, slime, goo, goop, gook, guck, gunk, muck, ooze(noun)
any thick, viscous matter
(slang) a disparaging term for an Asian person (especially for North Vietnamese soldiers in the Vietnam War)