This is a very, very common thing amongst Irish people when describing a person, place or thing. Because sometimes we can't articulate how large or small an object is, or the skin tone of an individual or even the heat of a local curry dish - we use this a lot! We basically just say the word twice and the person who gets the info knows exactly what we mean by tone alone.
A torturing device used on men to get them to do something they normally wouldn't. A torturing device that connects to the nipples using crocodile clips causing severe and acute pain. Sophisticated manipulators can deliver an electric shock to the nipple adding to the persuasive effectiveness of the device.