He’s an actor, a pro kickboxer, a deejay, a rapper and a clothing designer — so it’s no surprise this year’s Sexiest Man Alive,Idris Elba, likes to have a little fun.

Growing up in East London as an only child to African immigrants, Elba, 46, “was a good kid but my parents were quite strict,” he tells PEOPLE in this week’s cover story. “When I was like 14, as soon as I grew a mustache basically, I was out of there.”

Attending an all-boys school was a bit of a “culture shock,” the actor insists. “It was lots of bravado, machismo, who’s bigger than who?” recalls Elba, who also played sports like football, soccer and cricket. “I was a C or B student. I couldn’t sit in a classroom for long periods of time. I’d get bored.”

David Burton

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For more from this year’s Sexiest Man Alive — and to see who else made the cut — pick up this week’s issue of PEOPLE on newsstands Friday

WATCH: Hot and Dangerous! Here’s Everything You Need to Know About This Year’s ‘Naughty’ Sexiest Man Alive Idris Elba

But he does admit to having a “naughty” side. “I told you my parents were strict, so there’s a rebellious side to me,” he says, laughing. “I have a little bit of an issue with authority sometimes. I’m the guy that, if it says ‘Don’t push the button,’ I’m gonna push it. I think I’m curious. Not in a risky way just like, what would happen if?”

His current go-to vice? “Whiskey might be a vice. It’s a slippery slope because it’s a very pungent alcohol,” says Elba. “When it comes to food, I could eat meat. A lot. Like steak.”

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For even more on People’s Sexiest Man Alive, clickhereand be sure to pick up the issue, on stands Friday. And nab your own officialSexiest Man Alive shirtfrom our brand new Amazon store.

source: people.com