Top Definition
When a man has to masturbate a little bit to get himself hard so he can have sex with a woman. He has to crank start it like an old Model T Ford.
Friend 1: "Man, you so old you probably have to cranksturbate."

Friend 2: "Nah homie, my shit works good. Ask yo mom."
by Tex-Mex Shawn C. September 20, 2010
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