The feeling or sensation a person gets while standing in an upright position on a train between when the train is coming to a stop and when they are about to get off; The leaning movement caused by someone standing on a train as it prepares to stop; A motion made by a member of the court or judicial system that seems so bizzarre, it seems to be a statement that could only be made in the Matrix and/or, makes the person talking seem like they were from or could have been to the Matrix.
Person 1: Yo dawg, I was on the yellow line and got that Matrix motion.
Person 2: For real?
Person 1: Word.
Lawyer 1: Did you hear that, is that person crazy?!
Lawyer 2: Yeah, I heard it, he/she just made a Matrix motion. We'll see what happens next.