Green’s Dictionary of Slang

1. a redhead.

1823

‘Jon Bee’ Dict. of the Turf, the Ring, the Chase, etc.

2. a safety match burning with a notably bright flame.

1880

G.R. Sims Three Brass Balls 47: He turned back to the table and struck a ‘flamer’.

3. (US black) a gun.

1995

L. Stavsky et al. A2Z.