64
A person who is annoying or inhibiting your progress.
Person 1: Ogga booga!

Person 2: Stop being a fatty and start helping me cook
by Oliver Wernick June 26, 2009
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65
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"
by Oakland Raiders May 04, 2007
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66
a really fat dude, ppl that you don't like, someone you want to fight.
What FATTY?!? Wanna box?
by leslie March 03, 2005
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67
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.
by thecajunshocker February 23, 2012
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68
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!!!!!!!!!!"**
by ..D................... October 24, 2008
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69
Alex Cavanagh Madge the Spanish Pigeon
"Man, did you see that Fatty Waddling down the street before?"
"Yeah! She was such an Alex!"
by Er...Lola... November 05, 2006
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70
an annoyingly annoying person who you fake dislike. (you love them but they're being a fatty.)
by fattymcfats April 09, 2017
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