A significant other who tries to control your life and gets involved in as much shit as possible, much like an octopus might do with his many tentacles.
Ugh! My boyfriend is such an overbearing octopus. He won't let me go to the party tonight.
Similar to overclocking a PC, but in human terms. Ultimately, it leads to failure of the component, usually causing it to over state its worth and sleep late. It typically only sounds like a good thing to the one practicing it.
What the hell is wrong with Joe?
He's overocking. His wad was shot years ago.