The fear of your shit splashing the toilet's contents up on your ass.
I had to take a shit, so I went into the gas station bathroom, but I couldn't go for fear of splashback.
by Shaqburger July 2, 2003
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The effect of standing too close to a urinal or wall while pissing, and being covered with a fine rain of your own urine deflecting off the vertical surface back at you.

See 'drop zone' for related info.
"I wasn't paying attention when I pissed on that wall, and I got totally covered in splashback... *cries* "
by BioMenace November 16, 2006
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The memory of a previously experienced wet dream.
Hey man, the other day i had the most righteous and kickass wet dream. I totally just remembered, what a great splashback.
by Kwanna LayM3 May 30, 2010
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The water that goes up your ass when you launch a turd down into the toilet bowl.
John: Hey!
Sam: Hi!
John: You know what's a million times worse than having no toilet paper?
Sam: What?
John: SPLASHBACK!
by Splashback. September 18, 2010
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When you are taking a dump and the deployement of your piece of crap makes the toilet water splash straight up to your ass, usually in your ass-hole.
I was taking a huge dump the other day and had one hell of a splashback!
by Sky M March 12, 2008
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Urine that bounces off the back of a urinal covering the your arms in a fine mist of pee.
Hey lets go hug monica," Sure let me wipe this splashback off first" "Gross man that's why I use the stall!
by Ireallyamforever August 3, 2010
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