Watch Margot Robbie Roast Will Smith's Penis (Not Literally)

​Figuratively, and hilariously

Will Smith is renowned for being one of the nicest guys in Hollywood. Even his rap career was more family friendly than a half-term 'Kids Eat Free!' deal at the Toby Carvery. So he was always going to struggle with Radio 1's 'Playground Insults' roasting round.

Margot Robbie? Not so much.

It took a few minutes for the Aussie actress to warm up, but around the 2:30 minute mark she launches into a finely executed tirade against her Suicide Squad co-star.

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After Smith meekly suggested that he had done sex stuff with Robbie's mum, she hit back with: "She didn't even bother to call you back. She thought your nickname was 'Big Willy', but… she felt so misled."

And like a rabbit caught in headlights, Will just nods along as Margot dives into a flurry of insults. It's almost uncomfortable. Watch the demolition above.