From Longman Dictionary of Contemporary Englishjolly welljolly well old-fashioned informalEMPHASIZEANNOYused to emphasize an opinion or to show that you are annoyed Right, I’m going to clear up, and you can jolly well help me. → jolly
Examples from the Corpus
jolly well• And charge they jolly well did.• He had a mountain to climb and he was jolly well going to reach the top or die in the attempt.• He claimed he hadn't any but he jolly well had!• And if he hasn't changed his sheets by now, he jolly well ought to have done.• I mean, would you jolly well put money into this place?• But the horse is used to being brushed, or he jolly well should be!