mopey dick
Person who lacks energy/enthusiasm. One who is boring or lame and unwilling to participate in a fun activity because they are too busy being a herb.
I asked Jeremy to come out to the bar with me tonight, but instead he's going to be a mopey dick and play WOW all night. (world of war craft)
Mopey Dick
Erectile dysfunction.
Ahab tried to get it up so he could bum Queequeg, but there was nothing he could do about his Mopey Dick.