Definition
To take action on the basis that another person is bluffing.
In Context
- "She was tempted to call his bluff, hardly believing that he would carry out his threat."
- "Eventually the NUR overplayed its hands with an all-out strike. And when Peter Parker, the then-chairman of BR, who was well regarded among his staff, called their bluff by threatening to close down the entire network, they caved in."