splash back 

It's the water that comes back up from the commode and hits your butt when you poop.

Boy, There sure was alot of splash back that time my butt got sooked.

splash back by kythiefsnatcher April 29, 2010

Splash the Gash

Female urination.
Desire to "take a piss"

"Im going to splash the gash"

Splash the Gash by KazDragonfly April 27, 2007

splash me boots 

In Australia the act of urinating, male...although some women have been known to uniate while standing.

"...I'm off to splash me boots..."

splash me boots by paunch-o September 1, 2009

Splash-N-Dash 

A Splash-N-Dash is when a person (usually male) goes to someone's house for a quick booty call & then leaves immediately after. A Splash-N-Dash usually occurs on a Sunday but can happen any day of the week.

Preston: "Hey Nate, you weren't gone for very long, must have been another splash-n-dash Sunday?"

Splash-N-Dash by TrinityStar_07 February 24, 2010

Splash Damage 

Damage caused in some MMORPGs and strategy games (Warcraft III) Where the attack does damage to one unit and then veers off, hitting other nearby units.

My catapult's massive splash damage just 0wned your infantry rush.

Splash Damage by Jonathan Maas April 25, 2005

splash guard 

when wearing glasses while performing oral sex to prevent crustaceous eyelids.

i bought your girlfriend some splash guards.

splash guard by er0315 May 24, 2005

Splash-Back 

The urine in which splashes back and leaves wet spots on pants/shorts, underwear, and shirt. Normally happens to guys who forget to aim down, or when you really have to go.

Person1:"I see you got a little splash-back on your pants there. Tough luck dude."

Person2:"I know, but I had to go really bad and was in hurry."

Person1:"Aim down man, aim down."

Splash-Back by M.A.DPenGuiN2111 August 20, 2009