fruitcakey adjective2 •Resembling or characteristic of fruitcake.Sweet oak is mixed in with a sympathetic hand, and the palate follows with plenty of ripe fruitcakey flavour that’s smooth and the ripe tannins are reasonably easy on the gums. — 2002 •(informal, offensive) Crazy or eccentric.He might not have been as fruitcakey as me and imagined seeing fairies, but after the whole Rachel scare, he’d looked sort of spaced. — 2004 formsmore fruitcakey · most fruitcakey