welsher Meaning, Definition & Usage

  1. noun someone who swindles you by not repaying a debt or wager
    welcher.

WordNet

Welsh"er noun
Definitions
  1. One who cheats at a horse race; one who bets, without a chance of being able to pay; one who receives money to back certain horses and absconds with it. Written also welcher. Slang, Eng.

Webster 1913