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.
Slang, Vulgar Extreme irrationality or unreasonableness, insanity, craziness.
Yvette Cooper, the shadow home secretary, suggested Cleverly had previously privately referred to the Rwanda plan as “batshit”, a jibe not explicitly denied by Cleverly.2023 November 15, Rajeev Syal, Peter Walker, Rowena Mason, Ben Quinn, quoting James Cleverly, “Rishi Sunak to bring in emergency law after supreme court’s Rwanda ruling”, in The Guardian, →ISSN:
batshit
adj
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.
1
Slang, Vulgar Extremely irrational or unreasonable, insane, crazy.
Don't take any courses from that professor. She's completely batshit.
And what the fuck are you doing on TV anyhow? You know I get calls from back home every fuckin day, they think you went batshit!1995, Nicholas Pileggi, Martin Scorsese, Casino, spoken by Nicky Santoro (Joe Pesci):
1 more example
Those subpoenas went out today! The front office is gonna go batshit!2002, David Simon, The Wire:
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.
1
Slang Used as an intensifier, particularly for insane or synonyms.