1. To bring someone's self-image or ego back from a fantastical "outerspace"; to humble someone out of a delusion; to disprove someone's fictional version of themselves
2. To ruin someone's dreams
"He had a few successes and has begun to believe his own hype. His ego is in outer space. It's time to repo that starship he's on and bring him back down to Earth."
"Patrick is so delusional and egotistical that he now considers himself above us all. He's due for a starship repo up there."
"My friend thought he was going to be a huge celebrity, but that starship appears to have been repo'd."
"The Starship Trooman Show has been crazy recently. Military recruiters have been hanging out in high school cafeterias and convincing children, behind their parents' back, to enlist so that they can qualify for the healthcare & affordable education benefits that every person in almost every other wealthy nation receives automatically."