backsplash 

When you are pooping and a large piece of poo splashes toilet bowl water back into your asscrack.

"Dude, I had to take a major dump and I totally forgot about controlling my backsplash! All the toilet water wetted my ass!"

backsplash by kentman March 1, 2015

backsplash 

the pee that splashes on you by accident while pissing in front of a urinal

Having backsplash on your pants can really fuck up your day.

backsplash by sheezy03 November 9, 2008

backsplash 

To drink a lquid from a straw and spit it back out in the straw.

Shelly did a backsplash in her Mountain Dew.

backsplash by Sibbie December 5, 2003

Backsplash 

When you put your dick right next to her asshole causing the cum to splash everywhere.

You cannot believe the cleanup I had to do after I backsplashed this girl last night.

Backsplash by honeybuns2 June 7, 2018

Backsplash 

When you bust a nut on a girls back after after you been fucking for a long time with the henny dick.

I backsplashed ol girl last night from the club.

Backsplash by Mrveil June 24, 2018

BackSplash 

When you are drunk and hitting a girl from behind and finish on her back. Then due to your drunkenness fall on her back slashing your jizz between your bodies.

“Dude you k ow that chick from the bar I took home”
“Yeah dude you were fucking drunk thought”
“Yeah well it caused me to do a backsplash”

BackSplash by Grounds Crew April 16, 2019

Backsplash 

When a guy is banging a cow and the cow finishes and squirts out the milk from its utters in your face.

"How was that fat hoe Betty last night?"

"Eh, I got some major backsplash though."

Backsplash by thewarmestcow November 6, 2019