Akon got ball deep at a concert in Africa over New Year's ... seriously -- dude actually climbed inside a giant inflatable ball and rode around in it like a hamster ... on top of a sea of 100,000 adoring fans.
It's pretty incredible ... and not just because of the crowd-surfing bubble of awesomeness -- we're told the whole spectacle was part of a free concert in Senegal on New Year's Eve ... which Akon headlined.
Akon Floats in Ballsy Crowd Surfing Stunt
1/4/2011 7:00 AM PST BY TMZ STAFF
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