Kit Kat

Etymology
Brand name. Originally trademarked by the company in 1911. Apparently named after the, which got its name from a local pastry chef, Christopher Catt/Catling (sources differ on the surname), who was nicknamed “Kit” and supplied the club with meat pies that he called “Kit-Cats”.

Noun

 * 1) A chocolate-covered wafer bar confection produced by  and.