Having enough alcohal in the system to be unable to perform any sexual act(s) without falling over, vomiting, yelling obscene things, falling asleep.
-One of the few cures to this, is throwing a bucket of Ice-cold water onto said person(s) face.
Buddy : " Man, last night was the worst, my girlfriend and I were finally about to do the ' dirty deed ' but I had a drink or two too many and I couldn't do it. "
Friend : " Man, sounds like you had Whiskey Dick. "
Guy : "Hold on, did you fall over, or vomit or anything? "
Buddy : " yeah, and I eventually fell asleep. "
Guy : " You had alcohol cock. "