Pepega - An emote of a disfigured Pepe the Frog. Used commonly when someone does/says something stupid. Used very frequently on Xqc's channel because chat can't comprehend Felix's 200IQ
ZULUL - A colored version of the emote LUL. Commonly used to refer to Ugandans/africans in general
Gachi - The purest artform out there, and very well appreciated by the intellectuals of twitch chat. Also the manliest meme on the planet.
monkaS - A picture of a concerned Pepe the Frog. Used when the stream gets intense, for example horror games etc. Also be careful not to overuse monkaS
WeirdChamp - A picture of Gootecks, the same person who's face is the global emote PogChamp, hence the "Champ" in the name. Used when someone does something stupid/annoying, like explaining memes.