Definition of knobhead in English:

knobhead

noun

vulgar slang British
  • A stupid person.

    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod

Pronunciation

knobhead

/ˈnäbˌ(h)ed/