What the fun的意思

"What the fun" is not a common phrase in English and it doesn't have a standard meaning. It's possible that it could be used in a casual or colloquial context to express surprise, excitement, or a similar emotion, but without more context, it's difficult to determine its exact meaning.

If you're looking for a phrase that is more commonly used and has a clear meaning, "What fun!" is a standard English expression that expresses enjoyment or excitement about something. For example, if you were at a party and someone said, "What fun!", they would be expressing their enjoyment of the party.