The girls of "Jersey Shore" were on Bravo's "Watch What Happens Live" last night, where host Andy Cohen (whose new haircut we're digging) asked them to define words one would find on an SAT exam (well, except the last one, but you'll have to watch the clip).

Deena Cortese faced off against Nicole "Snooki" Polizzi in a battle of the brains.

Seeing as how their vocabularies include "smushing" and "grundle," we didn't have high hopes. See how they fared, below:

Deena won ... after getting just one definition right. We do have to give her credit for knowing what "halitosis" meant. But how did Snooki did not know the definition of "flatulence"?

Still, we gotta ask:

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