Top definition
An acronym for "Dumbest Cunt In All Of ..." used in e-mail correspondence to insult while avoiding office e-mail filters.

Should be used in such a way that the receipient can understand the final letters.
Person 1: "Wow, Tristan sure is sore about losing perfect rounds in Street Fighter 2"
Person 2: "DCIAOSF"
by DCIAOMT January 05, 2009
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