1. [17C–early 19C] (UK Und.) a term used among highwaymen to signify that an individual is a friend and must not be hindered on their journey; usu. in phr. the music’s paid.
2. [late 18C–early 19C] (Irish) the ‘tail’ of a coin [the ‘tail’ or reverse side of an Irish halfpenny or farthing bore the image of a harp].
3. [mid-19C] (UK Und.) a verdict of ‘not guilty’.
4. [mid-19C+] (US) amusement, fun, lively speech.
5. [mid-19C+] (US) gunfire.
6. [late 19C–1970s] talking, esp. complaints or nagging.
1. to deal stoically with a problem or difficult situation.
2. to take one’s punishment.
[1940s] (US gay/prison) to know what is going on.
SE in slang uses
1. [mid-19C–1940s] a piano.
2. [1940s] a guitar.
[1910s–20s] the reconditioning of musical instruments.