verbal phr. (general).To show off; to make a display; to come it strong; put on side, or CUT A DASH (q.v.).
1835. DICKENS, Sketches by Boz, p. 54. Gentlemen, in alarming waistcoats and steel watch-guards, promenading about, three abreast, with surprising dignity (or as the gentleman in the next box facetiously observes, CUTTING IT UNCOMMON FAT!).
1841. The Comic Almanack, Christmas Fair.
| A goose, even tailors have, who CUT IT FAT, | |
| And use the goose itself to get a flat. |
1887. BAUMANN, Londinismen, Slang und Cant, A Slang Ditty, p. v.
| But, there, it dont matter, | |
| Since to CUT IT STILL FATTER, | |
| By ook and by crook | |
| Veve got up this book. |