nitro

noun. 1. Short for nitrogen, an inert gas that makes up a good percentage of Earth's atmosphere. noun. 2. Short for nitrous oxide, a gaseous compound used as a mild anesthetic in dental surgery. Also used in car engines. The gas is fed parallel to the fuel injection manifold to increase the volatility of combustion in the engines. noun. 3. Short for nitroglycerin. A compound used medically. However, nitroglycerin is also explosive and is popular in such devices. noun. 4. Short for nitromethane. CH3NO2. Used in race car engines and as a propellant. verb. 5. To suddenly and unexpectedly-often without provocation-become explosively agitated. Similar to going postal. adj. 6. Describes a person, place or thing as being unequivocally, quintessentially spectacular and dumbfounding. (i.e. Something that is really, really cool to use the vernacular).