Gearbox
From MediaWiki
A gearbox is an intimate component of Transformer physiology not intended to be seen by one's peers. If a gearbox were to be "hanging out," it would be cause for social embarrassment.
A gearbox is an intimate component of Transformer physiology not intended to be seen by one's peers. If a gearbox were to be "hanging out," it would be cause for social embarrassment.