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1.
Slang for penis. Refers to a male's tendency to think with his cock (that is, sacrifice money, relationships, material goods, reputation, social status, health, and pretty much everything else of value just to get laid).
Well, what do you expect? I do have a dumbstick.
by Unrepentantfenianbastard April 01, 2004
 
2.
Yet another word for penis.
Some guys think with their dumb-sticks.
by Reb. Schmooooly July 12, 2004
 
3.
penis
used on the TV shoa "Ally McBeal"
by Al Jezera January 26, 2003
 
4.
A grass and brush cutting implement comprising a straight wooden handle about 3 to 4 feet long and a double edged serrated blade attached at one end of the handle with an asymmetrical yoke. In use, the blade is held close to and parallel with the ground and the implement is swung from side to side so that cutting occurs on each stroke.
"Cut them weeds with the dumb stick, boy!"
by weehawker January 07, 2009