Batshit

That guy is batshit crazy.

He was batshit crazy!

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.

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!

Those subpoenas went out today! The front office is gonna go batshit!

When we heard about it he went batshit nuts.