Definition

An acronym expressing exasperation when your emotions get riled up ('My Jimmies When'), typically used when describing a frustrating or outrageous situation. It's the visual representation of emotional rustling.

Example Usage

My roommate ate my leftover pizza without asking—MJW he walked in the door.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=MJW&defid=5439619)