This icon is depicting shaking your phone. There is a smartphone with two differently sized parallel lines on each side of it showing the shaking of the phone.
This Shake Phone 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.