backsplash 

the water that sprays upwards from a toilet when you shit too hard

I knew that guy shits bricks...when he came out of the toilet he got backsplashed so bad he looked like he had a shower

backsplash by krak ho August 18, 2003

backsplash 

n. That refreshing little spash of toilet water that hits you right on the hole after you've plopped a turd just right. Mmmm, mountain fresh.....

When you've got the 'roids, a nice backsplash is so soothing!

backsplash by Big Brett the Bombthreat January 13, 2004

backsplash 

when you take a huge grumpy and your bum gets wet.

dude, he took such a big shit, it made the water backsplash his ass.

backsplash by madhairdresser February 18, 2009

Backsplash 

The small spot of a woman's lower back where a man deposits his spooge when he is too poor to support a child with a woman he just met.

backsplash spooge

Backsplash by Shane597 November 2, 2010

backsplash 

the water that splashes up onto your butt when you take a dump

I hate how cold backsplash is on my butt.

backsplash by Bensey January 17, 2008

Backsplash 

That moment when you take a gigantic shit, causing the toilet water to splash on your ass. Could Potentially gives you awkward boners when you drop another load down the toilet.

That backsplash felt nasty as fuck.

Backsplash by Electric January 31, 2017

Backsplash 

When you're taking a piss at 3am on a school night and it deflects off the seat, only to hit you directly in the knees/shins.

I explained that the cause of my moist jeans was "Backsplash"

Backsplash by GravyMello March 7, 2019