WordWeb Online

1. Exclamation used to acknowledge a mistake or accident
   - oops, whoops-a-daisy, oops-a-daisy

1. A loud hooting cry of exultation or excitement

1. Shout, as if with joy or enthusiasm
   "The children whooped when they were led to the picnic table"
    
2. Cough spasmodically
   - hack

Sounds like: hoops

See also: whooper

Type of: call, cough, cry, holler, hollo [non-standard], outcry, scream, shout, shout out, squall, vociferation, yell

Encyclopedia: Whoop