Someone who is obese or overweight. It can also be used to insult the non-obese/overweight when insults are on short supply.
Jake; he's a fatty.
מאת Ryan 6 באפריל, 2004
a big butt
you got a FATTY girl!
מאת babyboo 15 באפריל, 2003
Another name for a blow job. (Said mostly in New York)
"Bro, that girl gave me a fatty!"
מאת DannyUCF 28 במאי, 2007
a really fat dude, ppl that you don't like, someone you want to fight.
What FATTY?!? Wanna box?
מאת leslie 3 במרץ, 2005
Unattractive people who will never grace covers of magazines ( except fat people magazines) nor be professional athletes.
Look at that hot, voluptuous fat stripper. "Hey fatty, bend over a little more and I'll spot you a 10".
מאת Dick Splash 10 בנובמבר, 2003
A title resembling Lord or Sire when preceeded by "Witty"
Witty Fatty, you have returned from your quest to the fridge.
מאת fatty 24 בפברואר, 2003
He's not good enough for you, but he acts as if he's too good for you. If you need a visual: roll around in bed with 20 lbs. of jello.
Fatty, you are lame, Brian if you lived in Eden.
מאת Fatty stole my candy 10 ביולי, 2008