Green’s Dictionary of Slang

nash v.1

also do a nash
[Rom. nash, nasher, to run]

to leave, to rush off.

[UK]Vaux Vocab. of the Flash Lang. in McLachlan (1964) 254: nash to go away from, or quit, any place of company; speaking of a person who is gone, they say, he is nash’d.
[UK]Pierce Egan’s Life in London 2 Apr. 494/1: [I]f he had no desire to be torn to pieces by the dogs, or hugged to death by the bear, he had better ‘nash’ — (go away) .
[UK]G. Kent Modern Flash Dict.
[UK]Flash Dict. in Sinks of London Laid Open.
[UK]Barrère & Leland Dict. of Sl., Jargon and Cant II 83/1: Nash, to (old cant), to run away, default. Gypsy nasher, to run away, to lose, hang, forget, spoil, injure.
[UK]J. Morton Lowspeak 103: Nash – to run away. Warning shout that a crime is being interrupted.
[UK]N. Griffiths Stump 82: — We’ve gorrer nash, lar. Can’t wait for you to finish yer dinner.
[UK]B. Hare Urban Grimshaw 81: They climbed out of the window, and did a nash up to East End Park.
[Scot](con. 1980s) I. Welsh Skagboys 17: These cunts really want us deid and the only thing tae dae is nash like fuck.
[Scot]I. Welsh Decent Ride 250: Naw, huv tae nash, n ah’m headin oot.

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