What is "moonlights"

Usage examples of "moonlights".

There is one who is now quite devoted to dashing off rather lamp-blacky moonlights, because, he says, the Americans fancy that sort of thing.

After that I've got a one-acter I want to do about a stockbroker who moonlights as a pimp.

See, I figure she moonlights mutilating men because she finds them inferior, irritating, obstructive and obnoxious.