snap judgment
A decision made hastily, recklessly, or without careful consideration. The company enjoyed huge success in the '90s, but a series of snap judgments backfired on them, leading them to the brink of bankruptcy. The officer made the snap judgment to take the unresponsive child into his patrol car and rush her to the hospital himself.
snap judgment
A hurried or impetuous decision or finding, as in George was known for making snap judgments on personnel questions; he rarely bothered to investigate further . This expression, which uses snap in the sense of "quick," was first recorded in 1841.