Fatty 

a really fat dude, ppl that you don't like, someone you want to fight.

What FATTY?!? Wanna box?

Fatty by leslie May 13, 2005

fatty 

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.

fatty by Fatty stole my candy June 22, 2008

Fatty 

A fat ass cock

Yo did you see Kim Kardashian's tweet she said Kanye put his fatty in her ass

Fatty by Hotline Bling Drake November 27, 2015

fatty 

noun - a person that is extroverted to the point of nausea, often to overcompensate for poor looks or a large frame/body type. Due to the psychological affect of being overweight, the "fatty" tries to overcompensate this negative with an overly obnoxious personality and attitude.

adj - of or exhibiting the "fatty" lifestyle.

Jesus, Pam needs to shut up already. She's such a fatty.

fatty by thecajunshocker May 5, 2012

Fatty 

Alex Cavanagh Madge the Spanish Pigeon

"Man, did you see that Fatty Waddling down the street before?"
"Yeah! She was such an Alex!"

Fatty by Er...Lola... November 9, 2008

Fatty 

A characterisctic...
Used to describe a person that freaks out about things of little or no importance.

Chicken little was a fatty...**omg, it's a leaf on my head, "THE SKY IS FALLING!!!!!!!!!!"**

Fatty by ..D................... March 1, 2009

Fatty 

One of three types of females. Can either be of the grande variety, regular variety, or small variety. Known for their insatiable hunger for booze and a good time.

Fatty loves to drink the beer on any day of the week.

Fatty by A#1 skinny November 10, 2003