slightly crazy 傻乎乎的;疯疯癫癫的 The music is driving me barmy. 音乐使我无法自拔。 The woman upstairs seemed to have gone completely barmy. 楼上的女人似乎已经完全变得巴米了。
Word Originlate 15th cent. (in the sense‘frothy’): from ‘barm’ ‘the froth on fermenting malt liquor’ + -y.