A first time drug user, who then tells their friends that they're cool because they do drugs. Drug dicks usually take simple pills. If they take drugs again they are no longer drug dicks.
Drug dick: Hey guys! I started taking drugs last night. Isn't that cool?!
Friend (whispers): Ha, what a drug dick.
the useless shriveled up worm - unable to urinate or get hard - that hangs between a human males legs after the consumption of copious ammounts of ecstasy
I got the hottest fuckin girl in the club home and into bed but i had fuckin drug dick.