jolly-well

jolly well

Used before a verb to emphasize that the speaker is upset, angry, or irritated. Primarily heard in UK. You jolly well knew that I have trouble trusting people, and yet you deliberately deceived me! If that's your attitude, then you can jolly well look for another job.
See also: jolly, well
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

jolly-well

mod. certainly. You jolly-well better be there on time.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also:
References in classic literature ?
'I opine that it is very disturbing to you, but no enlightened observer is jolly-well upset.'
You are on acting-allowance, you see: so if you are called upon to help Sons of the Charm mind you jolly-well try.