Barmy

Barmy is slang for insane.
Found on http://www.probertencyclopaedia.com/browse/ZB.HTM

Barmy

Barm'y (bärm'ȳ) adjective Full of barm or froth; in a ferment. ' Barmy beer.' Dryden.
Found on http://www.encyclo.co.uk/webster/B/15

Barmy

If someone tells you that you're barmy they mean you have gone mad or crazy. For example you'd have to be barmy to visit England without trying black pudding!
Found on http://www.effingpot.com/slang.shtml

barmy

[Brit. Slang] crazy.
Found on https://www.cliffsnotes.com/literature/l/lord-of-the-flies/study-help/full-
No exact match found