Originated from the combination of the REEEE meme and the word rejection, it describes the emotion of pepe made in the REEEE meme, highly disturbed and agitated, but at the same time because of the cause of rejection. It also describes the facial expression you make when angry at your rejection.
The author received her rejection letter that day, but her beet-red face made her look like she suffered REEEEjection.
by FSRueful February 13, 2019