2 definitions by rexbanner

When a knacker runs up to someone in a nightclub and slashes a permanent marker across their shirt before disappearing back into the crowd.
Joey: What the hell happened to your top?!
Ross: Some arsehole tried to slash and dash me while I was ordering a pint!
by rexbanner February 14, 2010
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Going into a pub or restaurant for a piss without actually buying anything.
John: Why are you going in there?
Joe: It's okay, i'm just going for a slash and dash!
by rexbanner February 14, 2010
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