Noun: welsher wel-shu(r)
- Someone who swindles you by not repaying a debt or wager
"The gambler turned out to be a welsher, refusing to pay his lost bet";
- welcher [informal]
Derived forms: welshers
Type of: chiseler [US, informal], chiseller [Brit, Cdn, informal], defrauder, gouger [N. Amer, informal], grifter [N. Amer, informal], scammer, swindler