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.
بواسطة Ryan إبريل/نَيْسان 6, 2004
Another name for a blow job. (Said mostly in New York)
"Bro, that girl gave me a fatty!"
بواسطة DannyUCF مايو/أيار 28, 2007
a really fat dude, ppl that you don't like, someone you want to fight.
What FATTY?!? Wanna box?
بواسطة leslie مارس/آذَار 3, 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".
بواسطة Dick Splash نوفمبر/تشرين الثّاني 10, 2003
A title resembling Lord or Sire when preceeded by "Witty"
Witty Fatty, you have returned from your quest to the fridge.
بواسطة fatty فبراير/شباط 24, 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.
بواسطة Fatty stole my candy يوليو/تمُّوز 10, 2008