batshit

Noun

Fecal matter produced by bats.
Extreme irrationality or unreasonableness, insanity, craziness.

Adj

Extremely irrational or unreasonable, insane, crazy.

Adv

Used as an intensifier, particularly for insane or synonyms.

Examples

Don't take any courses from that professor. She's completely batshit.
When we heard about it he went batshit nuts.

Origin / Etymology

Presumably from batty (“crazy”), itself from earlier have bats in one's belfry, from tendency of bats to fly around erratically. Possibly influenced by or derived from apeshit, particularly in phrase go apeshit.

Synonyms

batcrap, batpoop, crazy, guano

Scrabble Score: 12

batshit: not valid in Scrabble (US) TWL Dictionary
batshit: not valid in Scrabble (MW) Merriam-Webster Dictionary
batshit: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 12

batshit: valid Words With Friends Word