Bone dust

When you splooge in a chick during sex and on your last thrust your shaft gets covered in your own cum but you never clean it off. Later in the day though when you clean your bone off the dried cum looks like dust falling off!

Killian was smashing Riley’s snatch last night and never cleaned his knob off after cream pieing her. A couple hours later bone dust was falling off his schlong when he took his dick out to piss