To take a bowel movement, esp. A large or exceedingly smelly one.
Oh, I'm 'bout to Duce it! Ya'll best keep out the bathroom.
To pound fists with crossed hands.
Duce it!
You better duce it!
Twenty-two caliber handgun, small comcealable fire arm,5 or 6 shot revolver.
Hey nigger are you bringing your duce-duce to the party, said Fred.