Top definition
An acronym, standing for, "shitting in pants laughing."
Joe: "Hey man, I had a flat tire yesterday and had to wait 3 hours for AAA to pick me up"

Cool Kid: "sipl"
by 8500x July 31, 2010
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