LowComDom Performances Presents
Not sure it's still a tradition, but years ago when a college lad was serious about a girl, he would give her his fraternity pin to wear.
Susan came back to the dorm and told her roomie, "Well, it finally happened. Frank pinned me."
Her roomie turned on the lights and said, "Congratulations! Oh, let me see it."
Confused, Susan replied, "Let you see what?"