penis that blends in with its surroundings
girl #1: guess who sent me dick pics last night
girl #2: blake? again?

girl #3: he still have the chameleon penis?
girl #1: of course he does, once a chameleon penis always a chameleon penis
by pixelatedtitties June 20, 2019
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A woman who starts dating a man and instantly adopts all his favorite activities and interests with much enthusiasm, despite previously having zero interest in those activities. See also vagina chameleon.
That penis chameleon had no interest in death metal until she started dating that drummer, now it's all she talks about.
by KrankyKanuck July 7, 2018
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