Green’s Dictionary of Slang

shingle n.

[SE shingle, a thin piece of wood used in roofing; also the small sign or nameplate outside an office]

1. [1930s+] (US) usu. in pl., toast; thus shit on a shingle under shit n.

2. [1950s] (US) a lawyer.

SE in slang uses

In phrases

take a shingle off (the roof) (v.) (also take a shingle off the house)

[1900s–10s] (Aus./N.Z./US) to refuse to drink in a public house; usu. in negative as exhortation to drink, i.e. don’t...