batshit
3 synonyms for batshit, grouped by meaning and by how common each one is.
Adj — Vulgar slang: completely crazy or irrational, often used for dramatic emphasis.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Probably built on "batty" ("crazy") plus "bats in one's belfry," and likely influenced by the similar slang term "apeshit."
Full origin of batshit →