Any bruising that results from rough sex. E

sp if the bruising causes outsiders to believe that you are in an abusive relationship.

The term comes from the Twilight series. Specifically, the injuries Bell Swan-Cullen sustained during her honeymoon in Breaking Dawn.
Girl 1: Hey, what's up with that bruise on your arm? Did someone hit you?

Girl 2: Nah, it's just a Swan mark

Girl 1: Good on ya!
by RaritySparkle December 15, 2011
Get the Swan Mark mug.