For about 90% of internet-users the matrix is defined in Winuser.h

For about 9% of the very same population, the matrix is reality.

For the rest of that population, the matrix is a two-dimensional array.

Outside that population it's a Scifi/fantasy movie.

Plural of Matrix, an array of NUMERALS.

1. To spend a significant portion of a day or even a week watching without pause back to back episodes from multiple seasons of a single television series, replacing the experience of one's own reality and resulting in lingering effects on one's consciousness, once the final episode has been watched. 2. To re-set one's own immediate depressive state by immersing oneself in a mediated one (television, film, online social forum, amusement park, etc.) for an extended, but ultimately temporary, period of time.

When someone walks in on a couple engaged in the exchanging of tongues and possibly bodily fluids, the partner on top performs a Neo like move to quickly dismount his or her partner to avoid a possibly embarrassing situation.

When a man has an erection and discretely hides it by pulling a
"Matrix." This move consists of the classic Neo backwards arch while a hand of preference slides into one's pants and flips the erect penis upwards into its natural position. The penis is then trapped between one's stomach and the elastic band from underwear.

Helping Verb.
Usually combined with "go" in the present tense or "went" in the past tense to describe an unbelieveably cool or Matrix-style action. Sometimes involves quick reflexes (usually in dodging or blocking things), or violence.