Green’s Dictionary of Slang

note n.2

1. [mid-19C+] (orig. Aus.) a one-pound note.

2. [1970s+] (US) usu. in pl., a cash payment.

In compounds

note layer (n.)

[1940s] a short-change swindler.

note shaver (n.) [shave a note v.]

[early 19C–1920s] (US) a promoter of bogus financial companies, a usurer.

In phrases

lay the note (v.) [1920s–70s] (US Und.)

1. to swindle, to short-change.

2. to pay a prostitute.