A generic term used to identify an item that you cannot think of the actual name of at the time. Pronounced (doo-INZ).Used in place of 'thingy' and 'thingmabob' and 'thingmajig'. Often used with a term that helps to identify the object. Originated in the Maritimes of eastern Canada.
Pass me the square black doins that is sitting right there on the coffee table.