Could you provide more context or information about where you encountered this word? Perhaps you meant "deco" or "deke"?
* Deco could refer to:
* Art Deco, a style of design that emerged in the 1920s.
* Deco is also sometimes used as slang for "decoration".
* Deke is a hockey term, meaning a fake or feint used to mislead an opponent.
Please clarify so I can provide a more helpful answer!