A glitch in the matrix

The phrase "glitch in the matrix" gained popularity from the 1999 film "The Matrix," which depicts a world where humans are living in a simulated reality created by machines.

Meaning:  In the context of the movie, a glitch is an anomaly in the simulated world, suggesting that the simulation is not perfect and can have errors or breaks. 

Real-life Application:  People have used the phrase to describe strange or inexplicable events they experience in real life, often questioning their perception of reality.  For example, common "glitches" described include objects suddenly appearing or disappearing, time distortions, and déjà vu experiences. 

Simulation Theory:  The idea of "glitches in the matrix" is often linked to the simulation theory, which posits that our reality could be a computer simulation created by an advanced civilization.

Perceptual Glitches:  The most fundamental glitch can be one's own subjectivity, as our perceptions are filtered through our unique minds and sensory experiences.