Top definition
The sound one makes before exploding violently.
Person 1: Dude, you were supposed to cut the red wire, not the blue one.

Person 2: Oh crap.
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2
The word used to express your shock right before you get into a car crash.
by Norma Jean October 19, 2005
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3
When you figure out your girlfriend has Crabs-Oh Crap
by Jvandy11 March 18, 2009
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