1. batshit - Noun
2. batshit - Adjective
3. batshit - Adverb
(vulgar, literally) Fecal matter produced by bats.
(slang, vulgar) Nonsense, horseshit; especially when said by or attributed to someone irrational.
(slang, vulgar) Extreme irrationality or unreasonableness, insanity, craziness.
batshit (comparative more batshit, superlative most batshit)
(slang, vulgar) Extremely irrational or unreasonable, insane, crazy.
Don't take any courses from that professor. She's completely batshit.
batshit (not comparable)
(slang) Used as an intensifier, particularly for insane or synonyms.
When we heard about it he went batshit nuts.
Certainly it constitutes bad news if the people who agree with you are buggier than batshit. Philip K. Dick
Higgins, you may recall, is the former of the Captain St. Landry Parish Sheriff's Office in Opelousas, Louisiana, where he made a series of extremely batshit "Crimestopper" videos. Source: Internet
An ambiguous fantasy, with the preponderance of the text on the side of Emile being batshit crazy, but just enough doubt to make the story subtly disturbing. Source: Internet
Because most of the U.S. doesn’t know yet how batshit Santorum is. Source: Internet
But then, you batshit crazy, so have at it, I guess. Source: Internet
It’s a testament to Bone’s genius that it’s taken me 20 years to realize how batshit insane it was that they even existed and that they were as popular (and good) as they were. Source: Internet