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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
ˈjolly well(old-fashioned, British English) used to emphasize a statement when you are annoyed about something: If you don’t come now, you can jolly well walk home!
Farlex Partner Idioms Dictionary © Farlex 2017
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.