full fig

See in full fig.

full fig (uncountable)

1. (informal) Full costume; uniform or evening dress.
   • 1895, Douglas Brooke Wheelton Sladen, The Japs at Home, page 199:

     He had evidently been instructed to await the royal party, and had on his full fig of fine black cloth full-dress uniform, top boots, spurs, and sword.

• in full fig

• John Camden Hotten (1873) The Slang Dictionary