A nickname for a menacing redhead. The nickname takes into account their Scottish heritage. Used primarily as a deterrent in prison rape scenarios. After all, who wants to pick on someone man enough to sport the name "Shortbread."
Oh shit... here comes Shortbread. Don't move.
by The_Oreo July 29, 2010
Nickname for a white guy with a small dick.
Have you seen Tom naked? The dude's a total shortbread.
by Kaia Jade December 19, 2010