Either an expression of extreme positivity or extreme negativity (humiliation)
Positive "oof in the chat" should be reciprocated with an "oof in the chat".
Negative "oof in the chat" can be followed by "major oof" depending on the severity of the situation or the person's humiliation.
Positive:
Person 1: "I just found diamonds in Minecraft"
Person 2: "Oof in the chat!"
Person 1: "Oof in the chat!"
Negative (humiliation):
Person 1: "I left my LA project at home!"
Person 2: "Oof in the chat!!"
Person 1: "Major oof!"
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).