1 definition by MC DDP
When you insert your penis into your sexual partner's rectum and then urinate. Often the penis has to be inserted fully and then become slightly flaccid, however true "Dewers" are able to maintain a full erection.
Mary: "Hey, are you coming out tonight?"
Jill: "I let Jack Do the Dew and I have been sitting on the toilet for ten minutes trying to get all the urine out. Put me down as a maybe."
Jill: "I let Jack Do the Dew and I have been sitting on the toilet for ten minutes trying to get all the urine out. Put me down as a maybe."
by MC DDP October 18, 2009