WHAT ARE THOSE!?!? Is Steve Smith serious? He sure seems serious.

On the NFL Network on Sunday, Michael Irvin mocked Steve Smith's checkered pants. Smith didn't seem to take very kindly to the ribbing, because he threatened that the next time he saw Irvin, he was going to "whoop (his) ass." And he didn't say it in a playful manner, either. He said it in a "No, seriously. It's going to happen." kind of way.

Check out the clip below and let us know what you think!

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