"guy1 "dude, why are you wearing a polo today?"  guy2"becky gave me a devils mark last night, it wasn't pretty
to break the blood vessels in an area of skin by means of sucking with the mouth
""guy1 "dude, why are you wearing a polo today?"  guy2"becky gave me a devils mark last night, it wasn't pretty" What is the definition of "devils mark"?