batshit

About 0.00 uses per million words.

Meaning

1. noun Fecal matter produced by bats.
2. noun Extreme irrationality or unreasonableness, insanity, craziness.
3. adjective Extremely irrational or unreasonable, insane, crazy.

   Don't take any courses from that professor. She's completely batshit.

4. adverb Used as an intensifier, particularly for insane or its synonyms.

   When we heard about it he went batshit nuts.

Similar words

batcrap catshit pigshit birdshit batsqueak ratshit foxshit birdcrap booshit batshittery

Often followed by

crazy