A confused erection for odd reasons.
I was sitting on the couch and a friskies commercial came on and I got derp dick.
by AndySeentDat January 29, 2016
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When one takes a dick pic on Snapchat and makes a person out of his penis with emojis and drawings on it.
I got bored so I started to dick derp on Snapchat.
by dezertwhore April 9, 2017
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