When you get hit with water runoff from the road due to someone driving too fast over it. Also an old TV trope in which a character has this happen to them to add insult to injury when already having a bad day.
by BigLesbianLol June 8, 2019

When your dropping nuggets in the tilotet there’s a chance the water will splash your asshole your making it clean. therefore it’s a toilet splash and yes this was written after I had experienced a toilet spalsh.
Bro you got to try and do a toilet splash I was shitting and then the water form the Toilet splashed my ass making it a toilet splash now it’s super clean now!!.
by JohnDoe445 March 14, 2019

A Jackson Pollock inspired pooh painting left on the back wall of the toilet for all the world to enjoy.
Auctioneer: “Ladies and gentlemen, the next piece up for sale is a 2014 Selby Splash made possible by a long weekend of tap beer and disco fries. We will start the bidding at $150,000.”
by redmiked September 21, 2022

A sponge bath for the vagina....
Girl : I wanted to have sex with him but I had just done my first cream pie gang bang porno shoot so I went to the restroom for a coochie splash
by LemmeF1ndOut July 6, 2021

She neared my vessel in her motorized watercraft cause me to declare "get any closer and I will have to bitch splash you"
by porkweaponry July 6, 2018

A splash of water a person receives in the butt when they are taking a shit, dump, or poop. When you're poop hits the water and splashes back up into you
"Gotdamit man, I just got brownie splashed. I even tried standing up as my turd left my butt
to avoid this!!"
- Marcus R
to avoid this!!"
- Marcus R
by Marcus R Jr June 13, 2015

by 123456782014 November 12, 2014
