"i totally gave my girl cum knuckles last nite  "dude was she pissed?"  "hell ya she has a black eye""
when u cum on ur knuckles and punch a chick in the face when ur fuckin her
""i totally gave my girl cum knuckles last nite  "dude was she pissed?"  "hell ya she has a black eye""" What is the definition of "cum knuckles"?