By Christian Holub
Updated January 28, 2016 at 02:04 PM EST

The Tonight Show

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Jimmy Fallon may have covered “Iko Iko” with Sia, Natalie Portman, and The Roots on Wednesday’s episode of The Tonight Show, but he has no idea what the words mean. So he was surprised when Portman showed up knowledgeable about the song’s lyrics and meaning, leading Fallon to christen her a “human Wikipedia,” though Portman disagreed with the classification.

“Not at all. I’m like a person who uses Wikipedia like all other people,” Portman said.

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The Harvard-educated Portman wasn’t the only smartie on Wednesday’s The Tonight Show. Portman recounted that when she was involved in booking concerts at Harvard, one of her top priorities was booking The Roots and getting Questlove to moderate a panel. Fallon’s attempts to perform stand-up at Harvard weren’t as lucky.

“I don’t remember getting the call back,” Fallon said, mock-sadly.

Watch the full clip below.

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