1. A mudslide in Alaska.
2. Taking a shit on a midget's chest, preferably the runs, and then fucking the midget. After which, you slide down the midget's chest like a Slip 'N' Slide.
1. "Look, we are in Alaska, and that is a mudslide; therefore, an Alaskan Mudslide."
2. Person 1: "Dude, I just got a Slip 'N' Slide, come over and we can use it.
Person 2: "Nah man, Shyanne is horny so I might as well just go over and give her an Alaskan Mudslide.
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