Green’s Dictionary of Slang

single adj.

SE in slang uses

In compounds

single broth (n.)

small beer.

[UK]Witts Recreations ‘Fancies and Fantasticks’ No. 119: Sack’s but single broth; Ale’s meat, drink, and cloth.
single-duke (v.)

(US Und.) to cheat one’s confederates when dividing loot.

[US] ‘Und. and Its Vernacular’ in Clues mag. 158—62: single-duke Hold out on the proceeds of a crime.