A fork of Rural Dictionary
When you engage in anal sex on a beach.
I took my girlfriend to Ocean City for a Malibu Mudslide last night.
The act of setting a girls ass hair on fire & then pissing the fire out, then stir ass with cock.
Cheryl was extra kinky. She grabbed the lighter, bent over and screamed for a Malibu Mudslide.
The unfortunate result during anal sex if the person doing the receiving does not properly prepare for the event, ie douching with a colonic or an enema, something, ANYTHING, for God's sake.
His date knew that anal sex was going to happen, but failed to prepare, and after a few minutes a Malibu Mudslide cut their evening short.