A man with a huge penis, ie. something you could hang a towel on. A man who's very large penis is big and strong enough you could hang a towel on it.
Lucy: "So I hear Mike has a huge dick?"
Sally: "Yes he's a towel hanger, that thing's so big I could swing off it!!"
Lucy: "Ouch!!"
Sally: "Yes he's a towel hanger, that thing's so big I could swing off it!!"
Lucy: "Ouch!!"
by melloyellows September 1, 2010