A thumb signal, usually described as a thumbs-up or thumbs-down, is a common hand gesture achieved by a closed fist held with the thumb extended upward or downward in approval or disapproval, respectively.

What does the ? mean?

? Thumbs Up emoji

The thumbs-up emoji is used to express assent, approval, or encouragement in digital communications, especially in Western cultures.

What is the meaning of thumb symbol?

? Thumbs Up Emoji with a thumbs-up gesture indicates approval, acceptance, or agreement. Often is used to say «everyhing is good» or «i like that». The Thumbs Up Emoji appeared in 2010, and also known as the Thumbs Up Symbol. Sometimes it is mentioned as the Yes Emoji.