alaskan mudfall Share definition Flag A term used to describe when while having sexual intercourse with a woman in her asshole, she is having diarrhea. Man i was giving a chick anal and she had really bad diarrhea. Also known as an "ALASKAN MUDFALL" alaskan mudfall by <DAMZ<>DAWG> October 6, 2008 0 0 Get merch Get the alaskan mudfall mug. Buy Now — $32.95 See more merch