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Stealing, cheating,crashing on bikes, lying, asking for bowls of cereal upon entering someone's house and trying it on with girls that have boyfriends...
Example 1 of Doing an Ash

Bob: Hey Olly can I meet your girlfriend uptown today?

Olly: No stop being an Ash!

Example 2

Bob: Hey olly can have a bowl of cereal ?, and oh btw I met your girlfriend uptown even though I said I wouldn't.

Olly: :|

Mike: Man Bob jus properly triple Ash'd you there!
by wahgwanology May 15, 2009
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2
The act of tasting your own semen after ejaculation for the benefit of your lady friend.

As depicted by the wise words of Ash himself "You can't expect someone else to eat it if you wouldn't"
I've ate loads of pineapple recently so I'm definitely doing an ash tonight
by Jack Banton June 26, 2017
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3
1. pooing at parties

2. shouting at old ladies

(1 so called because it's as warm and smelly as a hot pile of ash)
(2 so called because of the noise old ladies gums make when they choke on their mushed swede in shock at being accosted in such a fashion)
1.
dude, that guy's been in the bathroom for ages
must be doing an ash

2.
OLD LADY TWAT
you're such an ash, man
by man in a van with a plan October 20, 2010
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