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1.
An exclamation of surprise and excitation used in a similar manner as Boom Son!, but used when the situation is more sinister, likely meaning more distress than happiness for the victim. It's like a less vulgar version of Oh Shit!
Guy #1: (worried) She told me she's late.
Guy #2: (yelling) Doom Son!
by thedehumidifier33 August 20, 2010