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Gaming

proc

What does proc mean?

A chance-based or conditional effect that triggers itself — a bonus, an extra hit, a buff — without you pressing anything. You build around making them happen more often.

"My crit just made the trinket proc, so I dumped everything while the damage buff was up."

Origin

Believed to come from 'programmed random occurrence' or simply 'process'; old MUD/EverQuest term that spread across MMOs.

Frequently asked questions

Does proc mean random?
Usually, yeah — most procs are chance-based, but some trigger on a fixed condition like landing a crit.
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Slang definitions: FreeDict original editorial.