(Variations: nutty may replace nuts) Very enthusiastic about; devoted to; crazy about: I think I'm nuts about you/ I'd be simply nutty about the quadrangles at Oxford
[1918+; fr British slang nutty, ''piquant, fascinating,'' fr earlier sense ''rich, tasty, desirable, like the kernel of a delicious nut,'' altered in slang to nuts and originally in the phrase nuts upon, found by 1785; the US form nuts about may be based on all this or on the notion crazy about, and probably on both]