Green’s Dictionary of Slang

gurrell n.

[? link to dial. gorrell; gurrel, a glutton, a fat-stomached person]

a fob, a small pocket either in the waistband of the breeches or, latterly, in the waistcoat.

1860		Hotten Dict. of Modern Sl. etc. (2nd edn).
1864, 1867, 1870		Hotten Sl. Dict.