up and (do something)

up and (do something)

To do something quickly, unexpectedly, or abruptly, especially without warning or explanation. I must have offended him, because halfway through the conversation he just up and left. The town has been in a panic searching for a young girl who up and vanished over the weekend. Everyone asks how I came up with the story, thinking it must have taken all this time and planning, but the truth is one day I thought up the premise and then I just up and wrote it.
See also: and, up
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

up and did something

Rur. did something suddenly. That summer, she up and died. He had lived here for twenty years, and then one day, he up and left for good.
See also: and, did, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

ˌup and ˈleave, ˈgo, etc.

(informal) leave, go, etc. quickly and unexpectedly: Without saying anything, she just upped and went.
See also: and, up
Farlex Partner Idioms Dictionary © Farlex 2017

up and

Abruptly and unexpectedly: They up and left without saying goodbye.
See also: and, up
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

up and about/doing

Resuming activity, especially after a rest or an illness. These terms seem to be American in origin. One appears as an exhortation in the tireless Benjamin Franklin’s Poor Richard’s Almanack (1755): “The Day is short, the Work great, the Workman lazy, the Wages high, the Master urgeth; Up, then, and be doing.”
See also: and, up
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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