(v. t.) To defeat in, or cause to lose, two different bets at the same turn or in one play, as a player at faro who has made two bets at the same time, one that a card will lose and another that a different card will win; hence, to defeat in spite of every effort.
WHIPSAW
Meaning of WHIPSAW in English
Webster's English dictionary. Английский словарь Webster. 2012