Definitions by jack'o

pin her 

said as a joke/insult about a friend having a pin dick when he starts talking about sex.

Guy 1:"That chick over there looks horny!"
Guy 2:"Yeah, she want's you to pin her!
hahahahaha!"

or

"Dude i saw you leave the party with Jane. did you pin her? hahahahaha!"

pin her by jack'o October 29, 2008