Its a hand making a thumbs down sign. The hand is somewhat rectangular and the thumb pointing down is at about a twenty-five degree angle. The index finger and pinkie are approximately the same size, and the two middle fingers are the same size as each other.
Related to Thumbs Down Icon
Related icons are the icons with matching tags, as well as all hands icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors