Fat people can be quick.
When they are all greased up on burgers and sliding uncontrollably down a slope.
( baldmonkey a frothy foul-smelling vaginal discharge, Wed 24 Jun 2009, 17:23, archived)

Gravity assisted fatties?
Hmmm, this might be worthy of further research.
( jim_bob can herd cats., Wed 24 Jun 2009, 17:28, archived)