1 definition by Schloss
A half boner, or semi-erection where the penis is not yet completely erect, but not completely flacid.
Dude, that super hot chick gave me a hug and before I had any idea I was sporting a mean sem-dog.
Can I get a sem-dog for my Rem-Dog. (Said when you want your friend Remy to get some ass).
Can I get a sem-dog for my Rem-Dog. (Said when you want your friend Remy to get some ass).
by Schloss January 13, 2006