Another alternative term for 'Batshit Crazy'. - Used to describe a situation in which one person or a group of person(s) is acting very erratically and going absolutely fucking insane. It is one level higher than Batshit Crazy, and usually is comprised of people throwing objects around, screaming like a banshee, climbing on each other in large crowds, crowd surfing, and many more behavioral oddities. When someone or a group of people are going Buckfuck Crazy, immediate removal from the situation is necessary to increase your chance of survival. The person or person(s) at this level is so crazy and insane that no amount of bat shit or haywires compares. This is the top tier level of absolute maniacal psychotic craziness. This usually happens as a result of a major event, major reveal, celebrity gossip, etc.

See: Acting The Fool, Batshit Crazy, Flipping Your Lid, Going Berzerk, Losing Your Mind
After the incident involving the unspecified police department in a unspecified area, multiple people began rioting in the streets.

Ken: Goddamn, those rioters are going Batshit Crazy!
John: No, not just Batshit Crazy....they are going Buckfuck Crazy!!
Ken: Nice.
by TheGayAccount March 31, 2021
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