Sofia Vergara and Jimmy Fallon do (weird) lip flip

There's something creepy about this, if you ask us.

It's a Jimmy Fallon Tonight Show segment and it's obviously meant to be funny, but ... ew.

Modern Family hottie and Fallon switched lips - mouths, actually - last night for a bit. Check it out. Sofia is way better at it than Jimmy. And it gets better when they decide to duet on Gloria Estefan's Conga.

And here's what inspired it - Billy Crystal did it last week.

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