Green’s Dictionary of Slang

a coat, and thus its wearer.

1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict. 356: Taoc a coat. ‘Cool the delo taoc’ means, ‘Look at the old coat,’ but is really intended to apply to the wearer as well, as professors of mixed slangs might say, ‘Vardy his nibs in the snide bucket.’.
1882		Sydney Sl. Dict. (2 edn) 11: Taoc - A coat. ‘Kool the ‘delo taoc’’ means ‘Look at the old coat,’ but is really intended to apply to the wearer as well.
1890–1904		Farmer & Henley Sl. and Its Analogues.