What is mfw?

"MFW" is an acronym that commonly stands for "My Face When." It is widely used in internet culture, particularly on social media and forums, to describe a reaction to a specific situation, event, or post. Typically, it is accompanied by an image or GIF that humorously represents the user's facial expression or emotional response to something they've encountered. It's a way to convey feelings and reactions in a visual and often humorous manner.