Used to express apology or mild surprise.(interjection)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "whoops" in a sentence
"The Seattle Westin whoops; the Bowling Green civic center sighs."
"The East Room erupted in whoops and hollers after a handful of solemn-looking youngsters from an arts program in Hartford, Conn., carefully took the stage and then burst forth as a jazz combo performing with tap dancers."
"I hope this plan fails and congress grows a brain .... whoops-need to add the Obama media to the brain comment also ..."