Green’s Dictionary of Slang

1. trousers.

1960		J. Franklyn Dict. of Rhy. Sl.
1992		R. Puxley Cockney Rabbit.
2002		B. Kirkpatrick Wicked Cockney Rhy. Sl.

2. knickers, i.e. underwear.

1960		J. Franklyn Dict. of Rhy. Sl.
1992		R. Puxley Cockney Rabbit.