It's a drawing of a sad face. The face has a frowning mouth and eyes slanted down to from the center to the outside to indicate sadness. the outline of the face looks like the basic shape of an acorn.
This Drama 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 5,700 icons, all in the same style and quality.