a loud cry of joy or excitement

a moment's silence was followed by whoops of delight

a long rasping indrawn breath, characteristic of whooping cough

(in motorcycling or cycling) a bump or dip on an off-road racetrack or rally course

give or make a whoop

all at once they were whooping with laughter

beat or assault (someone)

I'm still looking forward to whooping your ass, buddy

I should listen to him because he whooped my butt

everyone's mother was allowed to whoop you if you got into trouble

expressing mild dismay or regret (used when someone has had an accident or made a mistake)

Whoops! I nearly dropped it