sex laundry
When you wash your bed sheets after sex.
My roommate had her boyfriend over a little bit ago and now she's doing her sex laundry.
laundry sex
Usually referred to by a wife that endures sex by her drunk spouse, boring sex (as exciting as doing laundry, Put it in and wait 40 mins for it to be done)
The old man came home drunk from the bar at 2 am. I got stuck doing laundry sex.