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".
Another name for a blow job. (Said mostly in New York)
"Bro, that girl gave me a fatty!"
A title resembling Lord or Sire when preceeded by "Witty"
Witty Fatty, you have returned from your quest to the fridge.
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.
A fatass human, FAT, overweight.
"Hey fatty, go eat a pizza!"