Green’s Dictionary of Slang

1. a hat [= tile n.].

1984

Partridge DSUE (8th edn) 868/1: from ca. 1870.

2. the head [ext. of sense 1].

1984		Partridge DSUE (8th edn) 868/1: C.19–20.
1992		R. Puxley Cockney Rabbit.

3. a smile.

1960		J. Franklyn Dict. Rhy. Sl.
1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.
1992		R. Puxley Cockney Rabbit.