Thumb signal

Hand gesture indicating approval

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, respectively. The thumbs-up gesture is associated with positivity, approval, achievement, satisfaction and solidarity, while the thumbs-down gesture is associated with concern, disapproval, dissatisfaction, rejection and failure.

This keyword could refer to multiple things. Here are some suggestions: