What does the term face palm mean?

"Face palm" is a gesture and an expression that indicates embarrassment, frustration, or disbelief. It's usually done by placing the palm of one's hand on their forehead, often accompanied by a sigh or groan.

The term has become popular in online slang and is often used to express:

* Embarrassment at someone's actions or words: "When my friend told that joke, I just facepalmed so hard."

* Frustration with a situation: "I facepalmed when I realized I left my phone at home."

* Disbelief at something foolish or obvious: "Face palm, it was right there in the instructions!"

It's a way to convey a feeling without needing to say anything, and it's often used in a humorous or self-deprecating way.