defines a person in relation to Fatty Magee from the Adam Sandler skits.  Can be used with either positive or negative connatation.
Oh fatty, you're the fattest.
by Mad Hattah July 22, 2003
 Get the FATTYmug.
Get the FATTYmug. An abundance of a substance (normally used for smoking most commonly used is MARY JANE) rolled in a paper.
"Man i just rolled the most biggest fatty ever"
"The fatty was so big Snoop Dogg would have a hard time smokin' it"
"The fatty was so big Snoop Dogg would have a hard time smokin' it"
by Oakland Raiders May 17, 2007
 Get the FATTYmug.
Get the FATTYmug. 1. Something that is cool
2. A person (any size) who is eating alot.
3. A fat person.
4. A woman with a large but attractive ass
5. A erected penis
2. A person (any size) who is eating alot.
3. A fat person.
4. A woman with a large but attractive ass
5. A erected penis
1. "Thats fattie/fatty as fuck mate".
2. "Oh my days, you ate all of that, you fattie/fatty!"
3. "Look at that fattie/fattye."
4. "Check out that fattie/fatty."
 
5. "Mate, Bob got a fattie/fatty over Aleesha"
2. "Oh my days, you ate all of that, you fattie/fatty!"
3. "Look at that fattie/fattye."
4. "Check out that fattie/fatty."
5. "Mate, Bob got a fattie/fatty over Aleesha"
by slaaaaaaaag December 28, 2007
 Get the fattie/fattymug.
Get the fattie/fattymug. From hiphop. A fat boy, oblivious of his lard and appearance, only likes pretty girls with extra large hooters, but as a failure with women, regularly resorts to breadfruit abuse for his carnal desire.
by CattlesRgr8 July 19, 2017
 Get the Fattymug.
Get the Fattymug. by Ghetto Fab July 28, 2003
 Get the fattymug.
Get the fattymug. by Catt February 13, 2005
 Get the fattiemug.
Get the fattiemug. 