In any cases, the Earth was their personal playground.

"It was his personal playground," a former Motor Trend editor said.

The site has since become a blog and personal playground, sharing every detail of her life, including music, relationships, gadgetry, and sexuality.

"What do you think this place is, your personal playground?"

New York was her personal playground, and there was no place else on earth she'd rather be.

We thought we were breaking into our enemies' personal playground.

They might want to know if you've decided to make it your personal playground.

In effect, he's been given a half-hour in prime time as his own personal playground.

He had offered his body as her personal playground.

According to Ferry Halim, the website is "his personal playground."