balmy bananas bats batty beany bonkers buggy bughouse bugs crackers cuckoo daffy diastatic dippy dotty enzymic fermenting flaky flipped foam-flecked foamy freaked-out frothy fruitcakey fruity gaga goofy haywire heady just plain nuts kooky lathery leavening loony loopy nuts nutty off the hinges off the track off the wall potty raising round the bend screwball screwballs screwy slaphappy soapsuddy soapsudsy soapy spumose spumous spumy suddy sudsy wacky working yeasty