1 definition by Double Duh

it iz the tipe of gun refured to a s the M-1911A1 .45 ACP, 45 Colt auto, the 1911, 45 auto, 45 automatic....da colt 45 be refuring to the .45 long colt, a revolverater round.
45 da gun a my choise an my iq.
by Double Duh July 11, 2003
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