American slang meaning crazy, weird, or completely unhinged — a more emphatic and colourful synonym for 'nuts' or 'bonkers'. The word implies behaviour or ideas so erratic they are barely coherent, and it carries a slightly affectionate or disbelieving tone rather than clinical pathologising. Common in informal American speech and internet writing.
The proposal was completely bugnuts — nobody in the room could figure out how it was supposed to work.
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(slang) weird, crazy, insane.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.