"Whoops!" (2-2)

I think it could be either:

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2-2

doh

(Other definitions for doh that I've seen before include "Note; exclamation" , "an exclamation from someone who's annoyed with himself" , "Homeric grunt of annoyance" , "for 7 [HOMER] of course!" , "Stupid me!" .)

I've seen this clue in the USA Today.

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