E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
One who banters or chaffs another. Daly, manager of the Dublin theatre, laid a wager that he would introduce into the language within twentyfour hours a new word of no meaning. Accordingly, on every wall, or all places accessible, were chalked up the four mystic letters, and all Dublin was inquiring what they meant. The wager was won, and the word remains current in our language.