To hit something or someone very hard.
He whop him on the head with a bat.
그는 배트로 그의 머리를 쳤다.
To easily win against someone.
She whop her opponent in the chess tournament.
그녀는 체스 토너먼트에서 상대를 이겼다.
An exclamation showing surprise.
Whop, I didn't see you there!
앗, 거기서 너를 못 봤어!