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A.C.O.I or ACOI is the acronym for "And Choke On It." ACOI is used in conjunction with the acronym E.A.D. ("eat a dick") to form EAD (pronounced eed) ACOI (pronounced Uh-Coy). The formation confuses people and sounds foreign. ACOI can also be used in many other ways but this is the main one thus far.
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