He even had to explain his actions on The Late Show with David Letterman after the fact.
Of course, the person wasn't really a reporter, no self-respecting journalist would ever stoop that low for a story, right?
Don't answer that.
Still, at the Men in Black 3 premiere in Moscow, a Ukrainian prankster decided to pucker up and attempt to kiss the star as he paraded on the red carpet.
After the fact, Will seemed to take it a little more in his stride, and the joker even got in touch to apologise.
Smith described the incident at the time as 'just awkward', but it seemed a little more than that in the heat of the moment.
Letterman started the whole thing, asking Will whether he 'beat up a guy who was trying to hug you'.
Will replied: "I didn't beat up a guy!"
That's where his story began.
He said: "He says, 'I'm you're biggest fan, can I have a hug?' So I go to give this joker a hug, and he tries to lean in and kiss me!"
The fan in question was renowned jokester Vitalii Sediuk, and in a video with Hip Hollywood, he actually said sorry for his actions.
He obviously didn't learn from them, given that he's performed a heap of similar - slightly sinister - pranks on other celebs such as Kim Kardashian, Gigi Hadid, and Brad Pitt.
Pitt was even granted a restraining order against him.
Anyway, he said: "I apologise for my behaviour... I think it was too much.
"I just wanted to do something extraordinary to impress him.
He added: "I don't kiss every man or women when I see them in the street.
Sediuk also said that if he were to meet Smith again, he would 'just shake his hand' instead of trying to plant one on him.
A wise move indeed.
As for Will, he said that he did receive a personal apology too. He added: "They were like, 'Oh, no, we're sorry, you know. It's just his shtick, you know.'"
He then quipped: "I said, 'Well, that's why his a** got shtuck'".
At least he was quickly able to laugh about the whole thing, it could have turned very ugly.
Featured Image Credit: LIFENews
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