Answer: whap

AnswerCrossword Clue
WHAP

Slap sound

WHAP

Hitting sound

WHAP

Sound of a blow

WHAP
Hard-hitting sound
WHAP
Smacking sound
WHAPHit hard
WHAPFlyswatter sound
WHAPSock
WHAPLarrup
WHAPSound of a fly swatter
WHAPSound of a hard smack
WHAPRolled-up-newspaper sound
WHAPSmack!
WHAPStriking sound
WHAPSwatting sound
WHAPFly swatter sound