1. A small slotted (3/32") screwdriver made by Xcelite and having a green handle. Required for the screws on a Switchcraft A*(M/F) connector, as well as many of the same uses of a diddlestick. A "Reddy" has a slightly larger tip (1/8") than a Greenie. 2. A slang term used by NY rental houses to describe some Altman 360/360Q fixtures whose lenses had a slight greenish tint to them. See this post.