1 definition by josh summers

Someone who is very adept at arousing a penis to its fully erect form and then continuing to stimulate it to ejaculation. This definition is reserved for those who make penis stimulation an art form.
I went home with this girl from the bar last night. I had no idea she was such a cock doc!

or for homosexuals

I was at the club last night and saw that cock doc you slept with last weekend.
by josh summers March 19, 2007
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