1. Critical Hit: In gaming, a "crit" is a critical hit, which deals significantly more damage than a normal attack. It's often associated with a random chance of occurring.
2. Critical: In a more general sense, "crit" can be used as a shortened form of "critical" to describe something of vital importance or urgency.
Examples:
* "I landed a crit on the boss!" (referring to a critical hit in a game)
* "It's a crit situation, we need to act quickly." (referring to a critical situation)
While "crit" is commonly used in gaming, it's not a formal prefix in the English language. It's a shortened slang term that's widely understood in gaming and other related contexts.