1. A device or item whose facilitation or possession is required. Can encompass any range of items and the induvidual whom request is made to generally knows what is bring referred to as the tangerus.
Derived from requests for a cigarette lighter. Lighter = lighterangerus, lightangerus, tangerus.
Ie: someone with a cigarette in thier mouth might say "Tangerus" and an observant requestee will know that a portable flame dvice is required to faciliate the ignition of the tobacconated product assisted by filtration device.
Or a plumber might ask his apprentice: "Pass the tangerus" in a situation where a flange or other such device is required.