fruitcake

fruit·cake  (frtkk)

n.

1. A heavy spiced cake containing nuts and candied or dried fruits.

2. Slang A crazy or an eccentric person: "a fruitcake under the delusion that he was Saint Nicholas" (John Strahinich).

Thesaurus

Noun	1.	fruitcake - a whimsically eccentric person crackpot, nut case, screwball, crank, nut eccentric, eccentric person, oddball, flake, geek - a person with an unusual or odd personality
	2.	fruitcake - a rich cake containing dried fruit and nuts and citrus peel and so on cake - baked goods made from or based on a mixture of flour, sugar, eggs, and fat Christmas cake - a rich fruitcake (usually covered with icing and marzipan) and eaten at Christmas simnel - a fruitcake (sometimes covered with almond paste) eaten at mid-Lent or Easter or Christmas