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1.
Noun: a sexual/sensual food party, in which participants cover each other in foods of different tastes, textures, and temperatures. eating the food off each other is optional. Nudity and sexual interactions often follow. Other common usages are the present verb splosh and the present participle verb form sploshing.
"We were at this sploshing party and my friend got covered in chocolate sauce and whipped cream, then they had her sit on a birthday cake! she really loved it!"
by jerich0 June 01, 2003
 
2.
Covering one's self in food/wet and messy substances in order to acheive sexual stimulation/arousal.

As seen in an HBO episode of Real Sex #24 the issue of Sploshing was explained. The fact that the Brittish had tight upper lips did not mean that so were their genitals. The thought of tasty desires has come today to be published in a magazine, "Splosh"! When people think of food, they automatically think of sex. Nothing is more arousing then an appitite for lust?
"At the splosh party the group covered eachother in body paint and whipped cream."
by little Lady March 07, 2005
 
3.
Slang for tea in the UK, primarily London.

Variations;

Builder's Splosh - All day, ordinary, brown tea-with-milk, with or without sugar. Drunk by most tea drinkers. So-called 'builder’s' to imply tea drunk in a greasy spoon (def. 2) before plastering something; to differentiate from 'fanny'. Also drunk by students and tokers Tokers Tea.

Fanny Splosh - Pink/any-colour-except-brown and/or transparent, fruit or herb flavour, no-milk-tea. Drunk by girls and hippies, the 'health conscious', ('fanny' implying UK def = vagina).
'Oooh, I'd love a nice cuppa splosh'

'Fancy a cup of splosh?'

'You want fanny splosh or builders splosh?'

by 5t3IIa April 07, 2006
 
4.
The sound that is made when your feces hits the surface of the toilet water.
"When I did my number two, it made a big SPLOSH!"
by Josh-has-a-big-doodle July 31, 2012
 
5.
the complementary bidet like action of the water inside a toilet when your poop breaks the surface of the water and splashes all up on your asshole
I just dropped a load and got sploshed all up in my asshole, but at least i didn't have to wipe.
by mmegh2 February 01, 2010
 
6.
Splosh is a cup of tea without the milk, probably the most addictive drink known to man
hey ed would you like a cup of splosh?" " Yes please chriso
by CordellJewEgg August 15, 2010
 
7.
To Splosh someone means to shank them harder than anyone else ever could. It's the ultimate pain causing technique.
Person 1 - I'm gonna splosh kyle if he tries to get her to sleep with him
Person 2 - He won't know what hit him
by Charleigh Rose December 21, 2010