This is an icon representing the emotion, crazy. It is an emoji with just the head of the stick figure. The eyes are closed and curvy lines that are flipped for each side. It is sticking its tongue out as well.
This is a Crazy icon. We've made it in iOS style
, first introduced in iOS version 7 and supported in all later releases up until now (at least iOS 11). This style is based on thin two-pixel lines and is optimized for 50x50 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 13,700 icons, all in the same style and quality.