greasy napkins
When someone's someone cums or has sex on their bed and doesn't wash their sheets, they're sheets are called dirty napkins
Dave: yo bro your sheets are so stained
Steve: ye bro, I had a girl over last week, didn't wash em
Dave: o shit man, that's nasty you got sum greasy napkins
Steve: ye bro, I had a girl over last week, didn't wash em
Dave: o shit man, that's nasty you got sum greasy napkins