I might have been lucky in that you don't see that stuff in the seat of boxers or boxer briefs.you ever live with or date a dude and see skids in his underwear?
one of my brothers used to have skid marks in his underwear dirty ass nikka
how the fukk does someone walk around like that
The stories are abundant though. There's even an age old song about it. The lyric goes 'Standing there washing the skid marks out!'
I think it was a board where the Brehette wrote about a dude coming over. They were going to be intimate and he sat naked waiting for her to get undressed. When he stood up, there was puddin on her white comforter.