when one's dick becomes so hard that they cannot control actions such as: cheating, being an asshole, and in extreme cases, rape.

Someone who is possessed by clout chasing. The original human is now gone and a demonic entity that feeds on clout is all that is left. An empty shell with no control of their actions, forced to blindly react to situations they think will bring them attention.

someone who's dick gets so hard it's like metal