verbal phr. (general).—To show off; to make a display; to ‘come it strong’; ‘put on side,’ or CUT A DASH (q.v.).

1

  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!’).

2

  1841.  The Comic Almanack, ‘Christmas Fair.’

        A goose, even tailors have, who CUT IT FAT,
And use the goose itself to get a flat.

3

  1887.  BAUMANN, Londinismen, Slang und Cant, ‘A Slang Ditty,’ p. v.

        But, there, it don’t matter,
Since to CUT IT STILL FATTER,
By ’ook and by crook
Ve’ve got up this book.

4