Having a very small, short, ying yang.
Man, did you see that guy in that Calvin Klein underwear? He was hung like a lightswitch.
by Andrew K June 09, 2005
To have a really small penis, on par with the one of a new born infant.
"Drew was hung like a light switch, I rejected him faster than he would have blown his load"
by Derwent October 30, 2007