put someone on the spot

The phrase "put someone on the spot" means to place someone in a difficult or uncomfortable situation where they are forced to answer a question, make a decision, or perform a task without much preparation or time to think. It can also refer to situations where someone is placed under intense scrutiny, pressure, or public attention unexpectedly. This phrase often involves challenging or confronting someone in a way that may cause embarrassment, stress, or difficulty for them.