swell out

But then the other side of the balloon will swell out to a larger, less precise size.

If people who try to help a narcissist validate their delusions, "it can swell out of control into megalomania, delusions of grandeur, and grotesque abuses of power."

Cole’s introduction, and instant infatuation, with surfing did not swell out of Lake Michigan.

But a severe shortage of jobs and affordable housing has seen settlement populations swell out of control, with multiple families often sharing one roof, mostly pooling incomes from odd jobs and selling produce at street markets.

She pointed at the top of Jinny’s tunic, which had begun to swell out in a way that nobody else’s did.