barmy

1. (also figuratively) Containing, covered with, or pertaining to barm (“foam rising upon beer or other malt liquors when fermenting, used as leaven in brewing and making bread”).Examples: "[T]each thy Incubus to Poëtize, / And throvve abroad thy ſpurious Snotteries, / Vpon that puft-vp Lumpe of Barmy froth, […]"; "Their jovial Nights, in frollicks and in play / They paſs, to drive the tedious Hours avvay. / And their cold Stomachs vvith crovvn'd Goblets cheer, / Of vvindy Cider, and of barmy Beer."; "[H]e stood for a while on the quivering footbridge and watched the rush of dead wood and torn branches and wisps of straw all hurrying madly past him, to plunge into the heaped spume, the barmy froth that had gathered against a fallen tree."alsoarchaicfiguratively

2. (figuratively) Bubbling with activity or excitement; active, excited.Examples: "Just now I've taen the fit o' rhyme, / My barmie noddle's working prime, […]"archaicfiguratively