Quentin Tarantino had a rather bizarre method of discipline on set, according to Uma Thurman.

The Kill Bill actor once revealed that the director had a very, um, not-safe-for-work punishment for those who fell asleep on his film set – a giant dildo (yes, really).

While the unusual discipline method would drive most people off set and straight to HR, Thurman seemed to laugh off Tarantino’s ‘weapon’.

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Appearing on Late Night with Conan O’Brien back in 2003, the Pulp Fiction star revealed that Tarantino would punish those who fell asleep on the set of Kill Bill by getting ‘revenge’ on them.

“He had a weapon of choice,” she joked as she revealed that it was a ‘large dildo’ which she later referred to as ‘an elephant inseminator’ as she gestured about its, um, width.

“Whenever snores would be found in various corners of the set, [it] would be brought out like Jaws,” Thurman confessed, adding: “…[it] would be presented in some really ungodly, horrific angle next to the face of the offending sleeper.”

Understandably, the star admitted she was ‘troubled’ by this discipline method and found it ‘unkind’.

Even worse, Tarantino would then take photos of the sleeper and put them on a board for all on set to see.

Thurman even tried to stop the unusual punishment, saying: “I attempted to kidnap this wall on several occasions…I believe the board went missing once or twice.”

Despite her best efforts though, the offending snaps were later kept under ‘lock and key’ after being found.

Alamy Stock Photo/ Doug Peters

Tarantino even confirmed this on a later episode of Conan, revealing that the sex toy was a large purple dildo named 'Big Jerry' and explained the reason behind the punishment.

"It did always kind of bug me when you shoot at night and all of a sudden you see a crew member sleeping or an actor sleeping. That always kind of bugged me," he admitted, adding: "So I came up with something where it wouldn't bug me."

Well, that's one way to motivate people...

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It’s not the only NSFW thing about the famed director’s films, though.

It's been widely rumoured that Tarantino has an obsession with feet, and while film fans have speculated why this might be, the legendary filmmaker has offered little explanation about his twinkle-toed movies.

Even when GQ questioned him about this, he said he’d simply been inspired by other directors.

"I don't take it seriously. There's a lot of feet in a lot of good directors' movies. That's just good direction,” he told the fashion mag, adding: “Like, before me, the person foot fetishism was defined by Luis Buñuel, another film director.”