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2.
Another word for your Mother
Ma Duece was worried about you yesterday, what happen?
by Jae' June 08, 2005
 
1.
Army slang for the Browning M2-HB .50-caliber heavy machine gun
"Go grab me a couple of boxes of fifty-cal. I'm gonna make the Ma Deuce sing!"
by Bullzeye December 26, 2003