whipsaw
noun
Definitions
A rip saw often operated by two people
verb
Definitions
To operate a whipsaw.
To cause (a trader) to lose potential profit by buying shares just before the price falls, or by selling them just before the price rises.
To defeat someone in two different ways at once.
Of a trade union: to coerce employers into capitulating by bringing them the news that other (more easily convinced) employers have already done so.
adjective
Definitions
Having the characteristic of arguing two sides at once