n.a coined
term referring to profane
language or obscenities. This is possibly a coined variation of make the air blue, meaning to
use obscene or
blasphemous language; to curse or swear profusely. The
use of blue to mean obscene may
derive from a
series of erotic
French books published in the early nineteenth century called
La Biblioth?
que Bleu (The Blue Library) or from the customary blue dresses of prostitutes in the early nineteenth century when the books were written.