1 definition by wahgwanology

Top Definition
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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