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One who thinks their all big and bad.
You think your so fatz.
by Robert Michael Hensel April 17, 2008
or Fatty Z
fat gangster
look up also 'fat-brova'
'fatZ's in da house'
by yangster MC May 11, 2003
This kid who has no friends and sits by the soda machine all day long. Also plays World of Warcraft and is pretty granny at that too.
"SHUTUP FATZ," exclaimed Mean C.
by ger November 29, 2004