Top Definition
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

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
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 06, 2010

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug