Definitions
1.NounA small fuzzy toy, popularized during wartime.
2.NounA stupid, ignorant, or boorish person.
3.NounA sleep; a nap."I'm going off to have a gonk."
4.NounA prostitute's client.
5.VerbTo lie; to tell an untruth"You're gonking me!"
6.Verb↑ “Gonk, n.”, in OED Online , Oxford: Oxford University Press, launched 2000.