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Literal definition is, intoxicated female sexual organ. When the term is used colloquially it refers to an intoxicated individual. The term can be abbreviated to, 'WG'.
He hit it well hard over the weekend, what an epic waste gash.
by yamcourtesyofelzzis January 18, 2011
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A wasteful vagina. Often belongs to someone of a hideous frame and face, therefore a perfectly good vagina could be wasted because no one would want to fuck a beast.
(ugly person walks by)

Person 1:

OMG did you just see that girl.

Person 2:

Yeah. She is such a waste gash
by Fattybob June 06, 2010
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Compound noun or adjective made from waste and gash, as referring to a female vagina. Originally referring to a woman that was frigid or sexually uncooperative, quite literally,a waste of her having a gash, as noone could fuck her. This then developed to become a word used to mean all things that were a waste of time or effort, or simply sub-standard in nature. Also a derogatory term of insult, often following an action of apalling quality.
That girl was wastegash, she wouldn't even grind with me!

Man you are wastegash, you couldn't have sex wit a horny dead body.

This place is such a wastegash.

That shot was wastegash, you completely missed the goal.

by Alex Hadwick February 22, 2007
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a girl that shows her pussy to anyone who asks.
Boy: yeah bruv that girl iz waste gash.
Boy2; yeah i know so is her mutha
boy1: so what your mum is waste gash to.
Boy 2: thats well harsh, yo mum is a sket cadet, fool.
by stallwood123 March 14, 2008
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a way of describing typical chav music.
guy 1: did you hear that new song by n dubz

guy 2: no, is it good,

guy 1: hell to the no, its waste-gash
by Pendoo341 April 09, 2009
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Someone that sleeps with their mates boyfriends. Really ugly and has a body of an 8 year old boy. Shovel chin.
by Jayman11 January 10, 2008
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1- A vagina which memes a pile of rotting cabbage. see also: blue waffle and bumtang

2- A slutty female which you keep around for sex but whom you have no respect for and can ditch easily.

3- A woman who is attractive when found due to an amount of foundation large enough to build a skyscraper on top of, however the female will likely later found to be quite skanky
1-
A: hey man that chick you were with last friday, you ever get anywhere with her?

B: No man she took her panties off and she had some mad waste-gash

2-
A: dude, that waste-gash you've got back home is starting to smell funny you should get a new one.

B: I hadn't noticed to be honest but i guess you're right. Do you want to go find a new one at the mall?

3-
A: Dude you were totally hitting it up with that chick last night at the club, you tap that?

B: Yeah man but i woke up and she was a total waste-gash.
by Megalow February 16, 2010
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