Top definition
Diarrhea, the runs, urgent need to have a bowel movement.
"Oh man! That fast food last night gave me a backdoor mudslide this morning."

"I was so sick last night; I had a major case of backdoor mudslide!"
by JayXan September 09, 2006
Mug icon

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