Man facepalming emoji π€¦ββοΈ is part of the People & Body and Gestures emojis. On some systems it can be accessed by using :man_facepalming: or :man-facepalming: shortcodes.
It was approved as part of Unicode in 2016 so it should be displayed properly on all devices.
Tags: Disbelief, Exasperation, Facepalm and Man