*When a person is Maximally Onery to the BONE!
*Referring to a person who is SO Totally Unbelievably Onery!
*Can be used to refer to a humorous Adult but is most commonly used to refer to a young Child; generally from the ages of 1-5 years old.
*Pronounciation (Ah-n-re-Ah-So) (Max-i-mus)
My little two year old Grandson is SO Totally Onriosso Maximus; you can see it in his EYES! You just never know what his next move is going to be!