Definitions by Liquid Plumber

turdsplash 

1) When you're slamming a duece (pooping), and the turd enters the toilet with enough velocity to cause the toilet water to splash up and hit you in the ass.

Meghan: Honey, why is your ass all wet?!?
Troy: I was taking a huge shit and experienced massive amounts of turdsplash!

turdsplash by Liquid Plumber January 27, 2010