Glitching - What doe it mean when a game is glitching?

Glitching has 2 meanings. The most common is "Malfunctioning video game." See examples of how people use the terms.
Glitching is when a video game malfunctions. It commonly pertains to graphics, gameplay, audio, and other aspects of the game.

Solved] How to Fix Strange iPad Glitch Issues

Why is my Stream Lagging and How to Fix it? - Kiloview

Report a problem while playing a game - Support

Meaning of GLITCH Words For Gamers [REFG]

How to Stop Laptop Screen Flickering < Tech Takes - India

Glitch, DOORS Wiki

What Is a Glitch? - Usage & Meaning

Gaming dictionary for newbies - Bug and glitch

It's not a bug (anymore); it's a feature: Why people love video

if you have a pc just wait for the port to be fixed before you