When the lag in an game messes with your playing.

Or

A term to describe the psychology of arena first person shooters. A portmanteau of lag and psychology, to highlight the unique issues and psychology that goes into arena shooters, and the fixation on "Lag" or "Mouse issues".
John: I was playing TF2 /Overwatch last night and this other Medic/Mercy had complaints about lag and frame rate every time they died..
Ollie: That's what we call Psycholagy.
John: Don't you mean Psychology?
Ollie: STFU
by OldBear caslte July 11, 2017
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