TO BE ON THE HIGH ROPES, verb. phr. (common).To be angry or excited. Also to put on airs; to stand on ones dignity; to ride the HIGH-HORSE (q.v.).
1811. GROSE and CLARKE, Lexicon Balatronicum, s.v. TO BE ON THE HIGH ROPES, to be in a passion.
1859. G. W. MATSELL, Vocabulum; or, The Rogues Lexicon, s.v.
1866. YATES, Land at Last, ii. Hes ON THE HIGH ROPES, is Master Charley! Some of you fellows have been lending him half a-crown, or that fool Caniche has bought one of his pictures for seven-and-six!