welsher [
'welʃә]
n. 赖帐的人, 逃避责任者
welsherwelsher[ noun ]
someone who swindles you by not repaying a debt or wager
<noun.person>
Welsher \Welsh"er\, n.
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.]