Top definition
the questionable mental faculties of people that for whatever reason, act as if they are completely insane. A derivative of the term "batshit crazy" More often referring to females than males
Hey Pa, we found Grandma in the barn naked trying to milk a sheep, this batshittery is getting out of hand
by estebanthegman March 22, 2011
Get the mug
Get a batshittery mug for your dad James.