Numbnuts (nuhm-nuhts)
Noun
1. The stupidest of the stupid. A complete dumbass, one whose intelligence quotient does not surpass that of the average rock.
2. An utter disgrace of humanity.
3. One whose purpose in life is meaningless; a complete and total waste of life.
4. An ignorant, arrogant asshole.
See
jerkoff,
fuckhead,
asswipe,
shitfucker.