Samuel L. Jackson admits he had a potty mouth on Saturday Night Live, but he didn’t say the effin' curse people think.

On Kenan Thompson's "What Up With That?" sketch, they always have two celebrities who never get to plug the thing they came on for, plus Bill Hader as the perpetually ignored Lindsey Buckingham. Sam was one of the celebs featured in last night's sketch, and he pretended to be angry when, as always, they ran out of time before he could talk.

Kenan's host thanked Sam for showing up, and it sounded like Sam responded with, "Man, f-ck you." The audience “oooed” a bit.

Kenan: "Come on, Sam."
Sam: "It's some bullshit!"
Kenan: "Come on now. That costs money."

Ha! Sam tweeted some clarification after the show:

Hey, at least he got people talking! Isn’t that the point of these cameos?

Sources: SNL (via YouTube), @SamuelLJackson

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