do one

Do one!

Get out of here; go away; get lost. Chiefly Liverpool and Lancashire slang. Primarily heard in UK. I'm sick of your prattle. Do one, mate, and leave me alone!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

do one

Also see do someone.
See also: one
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

do one

escape by running away; make off. British informal
The expression seems to have originated in the Liverpool area, perhaps as a condensed form of do a runner (see runner).
See also: one
Farlex Partner Idioms Dictionary © Farlex 2017
See also:
References in classic literature ?
Yes, we often said that one man should do one thing only.
Then to do one's own business in a certain way may be assumed to be justice.
It''s not the first time, nor will it be the last, that this shifty lot do one thing in Brussels and talk a different talk over here.
He'd never been too impressed with my skating, until he witnessed me do one first hand.
So here's the dilemma: You can do one or the other, but you can't do both.