1 definition by TransformersChick
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: The boy's pheromone levels suggest he wants to mate with the female.
by TransformersChick July 27, 2009