What is the meaning of Gonk?

A small fuzzy toy, popularized during wartime.

A stupid, ignorant, or boorish person.

A sleep; a nap.

A prostitute's client.

To lie; to tell an untruth

↑ “Gonk, n.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.

Source: wiktionary.org