Knuckle Head Edit Meaning

1.

Someone of limited intelligence and with a mean nature. Who prefers using their knuckles/fists, to using their head.

That doorman looks a real knuckle head

2.

Someone who has just made a mistake or done something wrong. Often used in a joking manner between friends.

After arriving at the ski resort Pat discovered that he had forgot his skis to which his friends responded "Pat, you're a knuckle head!".

See zantern