Answer: bonk

AnswerCrossword Clue
BONK

Hit on the head

BONK

Do

BONK

Sound effect in a Three Stooges routine

BONK
Knock on the noodle
BONK
Hit on the noggin
BONKSmack on the head
BONKCartoon knock-on-the-head sound
BONKKnock on the noggin
BONKThree Stooges sound effect
BONKHead-banging sound
BONK"Peanuts" sound effect
BONKNoggin-knocking sound
BONKBlow to the head
BONKStrike on the head, in cartoons
BONKComic strip sound effect
BONKBlow to the bean
BONKCartoony clout