"Oh No Bro" is a phrase derived from the time that an absolutely goofy goober whose name shall not be disclosed getting their ass handed to them in Whispy Woods as Pink Luigi. It means that you just got fuckingpwned in Whispy fucking Woods.
"'Oh No Bro', I just got wombo combo'ed in Whispy fucking Woods!
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).