(informal) A mechanical device, particularly an automobile, that is worn out, run down, or mechanically unreliable as indicated by noises it makes in operation.

Foolish

A rattlebrained person.

plural of rattlebrain

plural of rattlesnake

Either of two venomous rattlesnakes, of the genus Crotalus, from southern United States and Mexico, that have diamond-shaped markings on their backs: Crotalus adamanteus and Crotalus atrox.

plural of rattletrap

plural of western diamondback rattlesnake

(Crotalus atrox), a venomous pit viper species found in the United States and Mexico

One who makes empty, noisy conversation; a chatterer.