Trippy McFallsalot 

Someone that is very clumsy, or can't walk straight.

Did you see "Trippy McFallsalot" bust her ass while walking down the stairs?
"I swear, that Trippy McFallsalot over there won't live past 20 if she doesn't learn how to walk like a normal person..."

Trippy McFallsalot by Ashes B February 21, 2007