Jackassaniacal (JAK-ASS-A-NIAH-KAL)
A person who is so stupid they think being a jackass is a lifestyle choice, not a curse.
My brother is a Jackassaniacal. He once tried to run away from a math test.
I'm a Jackassaniacal because I once wore my socks on my hands and cried about it.
My teacher called me a Jackassaniacal because I turned my desk into a mountain.