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The layer of toilet paper you put in the toilet before you take a dump. Helps to prevent backsplash and also makes crapping quieter as there are no more splashing noises.
A: Why'd you take so long, bro?
B: Dude, I had to take a shower after I took a dump due to all the backsplash on my ass.
A: Gross. Next time don't forget the backsplash barrier.

Girl1: I hate pooping! It's embarrassing coz people can hear you sometimes.
Girl2: Hellooo, backsplash barrier? Keeps your butt clean and also makes pooping virtually soundless.
by qinomo December 13, 2011
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