Stuck on a crossword? Crack the code with this ‘bozo’ clue!

Stuck on a crossword? Crack the code with this ‘bozo’ clue! - DOH
"I'm such a bozo!"

– Synonymous expression for “Oops
Exclamation of realization
Catchphrase of a famous animated character
Sound made after hitting oneself on the head
Interjection of frustration

DOH