(1)when you have the shits so bad that the turd-el-wave splash the water out of the t-bowl
(2)The jet of water that shoots up your ass when you launch a rocket off in an airport bathroom.
dude I think I going to need a mop to clean up the SPLASH DOWN from dropping the Hershey bomb on toliashima
The process in which someone takes a handful of cooze and throws it onto someone, preferable onto the face. The thrower must yell "Splash Attack!" while doing so. Can be performed by a male or female.
Girl: What are you doing with that cooze?
Guy: Uh...uh...SPLASH ATTACK!
Girl: I swear to gwad you're sleeping on the couch tonight!
When you are taking a shit, and the urine contaminated toilet water from the last person flies up straight into your ass hole before it has time to close.
Samuel was taking a shit at the McDonals on Castro street in San Francisco but he forgot to protect himself from splash damage and now he has aids in his rectum.