Smudge Sex
When someone takes a vicious dump on some ones genitals and then proceeds to engage in sexual intercourse, smudging it in.
"Last night, Tom and I had smudge sex. It was awesome!"
"I smudged the shit out of that bitch!"
"Do you wan't to smudge?"
"I smudged the shit out of that bitch!"
"Do you wan't to smudge?"