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2.
The incapacity to ejaculate because excessive amounts of NyQuil has been consumed. Similar to Whiskey Dick.
Friend 1: Dude, I was totally going to beat one off last night, but couldn't because I pounded two shots of NyQuil.

Friend 2: So you blue balled yourself?

Friend 1: yeah man, NyQuil dick. It's even worse than whiskey dick.
by NyQuil Lover January 23, 2013
 
1.
Dick so good put a bitch to sleep!
Girl 1: Hey Sheila, Did you watch BET Uncut last night?
Girl 2: Nah Cam came over and hit me with that NyQuil Dick.
by ShamFAwesome January 15, 2014