When the painters are in but your girlfriend can't resist the urge for some love yoghurt, and the outcome resembles a stirred-up strawberry MullerCorner.
Susan: "Not tonight I'm afraid, I've already had to change my knickers three times today"
Clive: "Can I just stick it in anyway?"
Susan: "Fine, but don't forget the mess you made when you Muller cornered me last time!"
When you attempt, and ultimately, fail, to prevent a gang of bearded, mushroom-penised inmates from overpowering and rectally violating you in the prisonstore room.
*Watching the butt-flogging montage in The Shawshank Redemption*
"Man, there goes Andy with his broom again. You'd think he was the only piece of ass in all of Shawshank."
"Yeah, these butt cowboys have already cornered and cornholed this dude a dozen times."