Idea of Thumbs Down Icon
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.
This Thumbs Down icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,200 icons, all in the same style and quality.