car bomb

noun

1. 1.An automobile laden with a large amount of explosives, and used as a bomb primarily in order to cause external damage.
2. 2.An explosive device installed in an automobile with the primary purpose of killing the occupants of the car.
3. 3.Flatulence in an enclosed automobile.
4. 4.An alcoholic beverage made by dropping a shot of liquor into a glass of beer.