Dollar Dud

Noun. Also "Dollar Store Dud".

A term used to describe a cheap item bought from a cheap store, online or offline, that is defective or doesn't work. Usually refers to items that contain multiple pieces, such as batteries or balloons, and are halfway expected to contain at least one abnormal unit.

Dave: "What the fuck? I bought like 3 packages of AA batteries at the dollar store and 4 of them didn't even work. Bullshit man."

Tyler: "Well, you should have expected some dollar duds in there considering how cheap they were."