It's an icon with a hand holding a rectangular foul card. The foul card is held between the thumb of the hand and the fingers, and the person is holding the the foul card with his right hand.
This Foul icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 6,200 icons, all in the same style and quality.