John Camden Hotten, The slang dictionary
“ Whipjack, a sham shipwrecked sailor, called also a turnpike-sailor.Whip the cat, when an operative works at a private house by the day. Term used amongst tailors and carpenters.Whipper-snapper, a waspish, diminutive person.Whisper, a tip given in secret, a rumour which is spread under the pretence of its being a secret. To “give the WHISPER,” is to give a quick tip to any one. An owner’s final instruction to his jockey is called “the WHISPER at the post.” ”
