whoops [exclamation] [informal] - an expression of surprise or regret about a mistake or slight accidentOops! I've typed two 'L's by mistake.A couple of teenagers get together one night and, oops, another girl's pregnant.When someone, esp. a child, falls over, you might say to them oops-a-daisy (also ups-a-daisy).
OOPS
Meaning of OOPS in English
Cambridge English vocab. Кембриджский английский словарь. 2012