The term "That1gamer" is used to refer to an internet persona or person who primarily only speaks in memes and gorilla/monkey noises when they try to talk to their friends in a discord conversation.
person 1: bro why is that person acting so weird?
person 2: oh, I forgot to tell you that they're That1gamer
person 2: oh, I forgot to tell you that they're That1gamer
by Official Average Human December 31, 2024