An abbreviation that is widely used in texting and chat, and on Facebook and elsewhere on the internet, but what does MFW mean in slang?
Most Common MFW Meaning
MFW stands for My Face When.
MFW is used to show how you would react or did react to a particular situation, and is usually accompanied by a picture of the facial reaction you wish to convey.
MFW I realize that my so-called best friend has been sleeping with my boyfriend.
Other MFW Meanings
What Does MFW Mean?
My Face When.