batshit

adjective bat·shit \ ˈbat-ˌshit \

Definition of batshit

vulgar slang
:very irrational, excited, or angry :1crazy
  • Some say he's smart and some say he's permanently batshit—but they don't say it to his face … . Besides, most truly talented people are, well, strange.
  • —Linda EllerbeeAnd So It Goes1986
  • This tended to drive the real Hollywood people … absolutely batshit.
  • —Jay McInerney, The Guardian (London)3 Nov. 1996
often used with go
  • … she shows you that you are not alone in the world, … lets you know that everyone goes batshit sometimes, and that recovering from it can lead you to expectations and views that translate to a new life, a better life.
  • —Sridhar PappuThe AtlanticJanuary/February 2005

batshit

adverb
    • Joey is aware that there are a lot of people, … who are just batshit crazy.
    • —David BrooksWeekly Standard28 Apr. 2003
    • … over the years he's been called everything from ruthless to batshit insane …
    • —Seth MnookinVanity FairDecember 2008

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