What is Mc Fatty?
1.
1.)Anyone in the Prince of Tennis fandom.
2.)Fangirls
3.)Yaoi Fangirls
4.)BNF's
5.)Anyone who ships fictional characters together.
Bobbissimo is a Mc Fatty, who has jiggy arms.
Prince of Tennis fangirls are all Mc Fatty's.
See 
Random Words:
1. 
A school in which marijuana literally grows out of the cracks of the tiles. A hangout for pot-heads, stoners, and the sort; Any school i..