Top definition
When two males or females simultaneously take a crap while in bathroom stalls next to each other. This may include a friendly conversation between said parallel dumpers.
"Hey dude, wait up- I have to take a shit"

"I'll just go with you- wanna parallel dump?"
by Whateverdude July 23, 2013
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