A teenager who has a ridiculously large head. Typically referred to as a bitch. Jelopagai(the plural of Jelopagus) were found in the Galapagos islands. Usually have less than mediocre manners especially without a proper days rest. Also, has the rare ability to suck in air via the asshole and fart it out. Tends to exaggerated everything.
Dude, look at the size of the head on the Jelopagus.