Who is Jocko Flocko and in what sport?

May be...

joe flacco maybe

football

Jocko Flocko was a passenger in NASCAR driver Tim Flock's (I think it was Tim, might have been Fonty) car during some races, I think he actually was in the car when it won a race! But he freaked out during a race causing Tim to pit and have him removed, the practise ended after that.

I dunno... a monkeyvgtalk forums