What does "snap judgment" mean?

A decision made without deliberation or in excessive haste.

Snap judgment

Common synonyms include: biased assessment, cognitive judgment, greedy heuristic, hasty, hasty judgment, heuristic inference.

noun

noun ·Rare ·Advanced level

Noun

1
A decision made without deliberation or in excessive haste. countable, idiomatic
2
Making decisions without deliberation or in excessive haste. idiomatic, uncountable

From snap + judgment.