When a person is spanked in the ass so hard that it stays red for several days.
If it's darker purple, see jelly stain
"I heard Gonzo got a Sun Patch from Rosie O'Donnell at the VMA's last night"
"Dude, what a nut gobbler!"
The more intense version of the sun patch
. When the ass recieves a blow so hard that it becomes bruised for several weeks. The purple color gives it the name "Jelly Stain".
Usually seen among s&m and bondage lovers.
"That Jelly Stain looks like Rosie O'Donnell's fat ass, man."
Chris: "Dude, did you know that Rosie O'Donnell is notorious for her sun patches and jelly stains?"
Kevin: "Yeah, on the news yesterday it said she gave Ellen DeGeneres a fat ass jelly stain on the set of THE VIEW."