dial. or colloq. [f. BUCK sb.1 2.] In buck up (trans., and intr. for refl.): To dress up.
1854. De Bonelli, Travels in Bolivia, I. 28. The young gentlemen of our party began to buck up and tried to outvie each other in doing the amiable.
1875. in Lanc. Gloss. (E. D. S.), 60. ‘Hello, Jim, what art’ bucked-up for?’
