Online mag Hopes & Fears asked an educator in American Sign Language and his young assistant to demonstrate various internet jargon such as "emoji" and "photobomb". Each demo is captured in a short video loop. SMH portrays all the disgust involved in shaking one's head at something really stupid; Screengrab involves a nice gesture that enacts the mechanism of a phone display flashing in one's hand.
Since there's no central authority for such neologisms, some signs were ones used among friends while others were reached by consensus among members of the Deaf community online.
