jolly D en · ADJ
Etymology
Short for jolly decent.
Meanings
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(UK, colloquial, dated, not-comparable) Thoroughly decent.
Thanks for paying for my drink. Jolly D of you. I think you ought to be in bed.
2020, Nancy Spain, Death Goes on Skis:'Jolly D of you, Doctor, to grace the girls' end-of-term carol service.'
2008, Richard Gordon, Doctor Gordon's Casebook, page 155: