When you get salty in League for misplaying constantly but call out others on their mistakes as well.
Person 1: "Oh my god dude why are you so fucking bad at this game can you like, not play that champ?"
Person 2: "Bro, that's some major Pierce-ism coming from you"
When you're salty for misplaying at League Norms matches, but call out other peoples mistakes as well despite your own skill level being that of a low silver.
Person 1: "Bro you're so fucking bad, can you just not play that champ?"
Person 2: "Bro, that's some high level of Pierce-ism coming from you"