A third (fourth,... ect.) boob that cannot even lactate that exists just for fun.
Or
A humorous insult used to describe a bumbling idiot with a big smile on his face.
someone who insists that global warming is a hoax. (Whether we are causing it or not, it's still there.)
You may call that person an incompetent boob.
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).
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi