To skeet semen profusely all over a woman's vagina and then rub your dick up and down on it between her labia lips.
"Yea I was painting the shed last night and it was fucking awesome"
"Uh dude, yesterday I was painting the shed doggie style it was soo noice but then the girl fucking shit! And it like slid down. So I painted the shed brown. It was really gross at first but then it was like....sorta like cool."