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Phrase; Acronym for I Can't Believe You Didn't Understand That Abbreviation. This is generally applicable to online conversations or other written media communications.
Person A: Dude I was totally pomag on Susie last night. That bitch was dtf adotw. lol

Person B: What? pomag? adotw?

Person A: icbyduta! lol.
by Dr. Prometheus July 18, 2009
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