verb (used without object) Informal: Sometimes Offensive.
Origin of welsh
Related formswelsh·er, noun
Examples from the Web for welsher
The boy hung his head, but looked sulky rather than thankful for his brother's interference with himself and the welsher.
"Why, it is a fleecing of one," retorted the welsher savagely, even amid his successes.
Does the reader know what is a “welsher”—the creature against whose malpractices the sporting public are so emphatically warned?The Seven Curses of London|James Greenwood
Well, I tows her into the boss's office, feelin' as mean as a welsher.Torchy|Sewell Ford
Would you yourself, if you had chased a pickpocket or a welsher for half a mile, mistake his identity five minutes afterwards?The Art and Practice of Hawking|Edward B. Michell