As a dupe was shown above, now the duper is signified, by Fig. 110.
The Beau tried to preserve his dignity, and throw over his duper, but in vain.
Come to find out it was the proprietor's wife, Mrs. duper, an old mexican lady, who had been watching our maneuvers.
1680s, from French dupe "deceived person," from Middle French duppe (early 15c.), thieves' jargon, perhaps from phrase de huppe "of the hoopoe," an extravagantly crested and reputedly stupid bird.
1704, from dupe (n.). Related: Duped; duping.
A duplicate copy of a film or text (1902+)