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An abnormally shaped penis, in the form of a rocket ship. Usually caused by overexertion due to extended uses of the 'Penis Pump' or battering of the female genitalia.
Male: are you ready baby?

Female: Oh no, I don't want to ride that rocket hound of yours anymore.

Male: Fine, I didn't want to have sex with you any who.
by HotelSkinnyNutsack June 06, 2011