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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a fantastic game to play when drunk in a road/town you dont live in; the game starts by ringing the doorbell, then as quickly as possible take a 'slash' or 'piss' on the doorstep. if you can finish before someone answers the door, you win! if not, good luck explaining what you were doing.
i was playing a game of slash and dash last nite,

yh what happened?
lets just say i aint welcome round me nans house anymore
by Alexhannah15 July 15, 2010
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When some ass at the eBay Global Warehouse in Kentucky cuts through your package with a box cutter before repacking it for international shipping.
Mark: Hey I heard you got that old iPod from the US delivered today!

Dave: Yeah, but it got the old Slash N’ Dash treatment.
by DankPods February 21, 2020
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When someone breaks into your car using a demolition saw to take your radio.
Dave: Bro, I was eating at waffle house, and some gay-wad performed the good ol Slash N’ Dash on my truck.

Carl: Really? That sucks you had a bumpin system in there.
by TheRealClarence October 29, 2020
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verb – the act of going to the toilet to urinate, especially if one is considerably desperate.
by Magic Mungo May 14, 2010
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Used most commonly by European males as a threat. Usually involves some form of violence involving a knife or sharp object, and proceeding to run from the scene of the crime.
If you come near me again bro, I will slash you dash you.
by Iloverenee May 2, 2006
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