鴨る

Etymology
Derived from noun, from the slang sense of “a mark or easy target for a swindle, someone who is likely to lose at gambling or other competition”, from the way that ducks return to the same place and are thus easy to hunt.

Verb

 * 1) “to make a duck of someone”: to skillfully or cunningly beat out an opponent, such as in gambling or a swindle; compare English, to shark someone