When you hook up with an Australian chick in Las Vegas and she has a seizure orgasam that causes her to poo herself resulting in a skid mark the length of her back.
After the Australian mudslide I threw away the hotel sheets.
by Lorddigles February 28, 2017
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When someone has explosive poops and another person licks up and down their buttcrack after, spreading the poop around. This vulgar process is native to Australia.
Johnny gav me a wicked Australian mudslide with his extremely long tounge.
by graidyschaefer February 7, 2010
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