What's the difference between i.e. and e.g.?
"promiscuous young woman; prostitute," 1880, U.S. slang, earlier (1864) short for chipping-bird "sparrow," perhaps ultimately a variant of cheep.
[origin unknown; senses relating to women possibly from the chirping sound of a sparrow, squirrel, or other small creature, suggesting the gay frivolity of such women]