car bomb

Short definition from Wiktionary

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.

Verb

1. 1
   To attack with a car bomb