When you can see a man's genitals from behind. Frequently seen while Mooning, or wearing a hospital gown.
Rob got so drunk at the party, while he was on the patio he tried to give us pressed ham on glass, but he bent over too far. Nobody wanted to look, but we still couldn't take our eyes off his hangin' frank.
by Mkgrenwel April 1, 2011
Get the Hangin' frankmug.