Definitions by TransformersChick

Ratchet 

One of the most epic Transformers, he is yellow-ish and pretty much the brains of Optimus Prime's group.

Optimus Prime: Our medical officer: Ratchet.
Ratchet: The boy's pheromone levels suggest he wants to mate with the female.

Ratchet by TransformersChick July 26, 2009