English edit

Etymology edit

knuckle +‎ head

Pronunciation edit

  • IPA(key): /ˈnʌkl̩ˌhɛd/
  • (file)

Noun edit

knucklehead (plural knuckleheads)

  1. (slang) An idiot; a stupid or inept person.
    Don't stick that screwdriver into the live electrical outlet, you knucklehead!

Derived terms edit

Related terms edit