Rapper Sammy Adams Collapses On Stage -- SCARY VIDEO

Rapper Sammy Adams Collapses On Stage SCARY VIDEO

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Sammy Adams -- the rapper behind the hit songs "Driving Me Crazy" and "I Hate College" -- collapsed on stage last weekend during a concert in New Jersey ... and TMZ has obtained scary footage of the medical emergency.

Adams was performing at Six Flags Great Adventure last Saturday for a Hurricane Sandy benefit concert when he suddenly became discombobulated and fell to the ground, shaking.

Stage hands rushed to his aid -- and Adams was subsequently taken to an ambulance.

It's unclear exactly what happened, but soon after the incident, Adams tweeted that he was okay and just felt under the weather.

Thanks for all the support guys. Been under the weather and traveling extra to get this music out! Appreciate the love. #lifers #
@SammyAdams

We reached out to Adams for comment -- so far, no word back. According to his website, Adams is scheduled to perform again next week.