when a male has sexual intercourse with a woman who is not only grossly overweight, but considers themselves to be from the ghetto. A typical phatty may wear excessive bling, lashings of make-up, extra large sized desinger label clothes and a bright coloured thong.
yo nigga, your a mother fucking phattyfucker!
by mammothy February 10, 2009
Get the Phattyfuckermug.