the act of explaining an episode/movie of scooby-doo to someone who has already seen it, under the arrogant assumption that you know more than them
a portmanteu of [mansplaining and shaggy rogers, an iconic character from the popular animated series 'scooby-doo']
'scooby-doo and the alien invaders actually has a deeper meaning if you pay attention, regarding the dangers of -'
'are you seriously manshagging scooby-doo and the alien invaders to me right now?'
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).