What Does MFW Mean?

MFW means "My Face When." MFW gained popularity when it was frequently used on 4chan imageboards. It served as the opening line of reply posts and greentext stories in particular. For example:

Typically, the term is used to show how a person would respond to a situation. It may be hypothetical or based on experiences of real life. "MFW" posts are usually accompanied by a reaction face image (in the form of a gif, emoji, or picture).

The use of the term MFW has spread beyond 4chan culture. Reaction image threads can now be found on a number of other online messaging purposes (e.g., Twitter, Whatsapp, iMessage etc.).

Image for MFW

When I write MFW, I mean this: meaning of MFW [MFW is usually accompanied by a picture or emoji with a context-appropriate facial expression.]

Summary of Key Points

"My Face When" is the most common definition for MFW on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
Definition:My Face When
2: Quite easy to guess
Typical Users:
Adults and Teenagers


Examples of MFW in Sentences

Here are examples of MFW being used in conversations:
  • Tony: MFW Derek proposed after Holly caught the bouquet.
  • Tony:
  • Jordan: I wish I could have been there!
  • Tony: It's payday! Let's go shopping?
  • Jordan: MFW I have no money one day after payday.
  • Jordan:

An Academic Look at MFW

Although MFW is classified as an initialism abbreviation, "Em Eff Dubbel-Yoo" is harder to say than "my face when." It is rarely uttered using its letters. In other words, the abbreviation MFW is for efficiency in writing and not efficiency in speech. Of note, initialisms are different to acronyms, which are spoken like words.

Example of MFW Used in a Text


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