A fat person.
by Use this term daily June 30, 2009

Fatty Bear is the main character in the terrifying game "Fatty Bear's Birthday Surprise". Fatty is known for being annoying as feck and rumours have swirled that he is actually the little girl named'Kayla' on acid.
by RockabillyFlowerChild November 11, 2020

by Creativecaveman January 6, 2019

by Fugly Racin October 19, 2009

Elliot is a menace to society.
by Elliot is a furry February 15, 2022

A fat man who's diet consists of anything starting with 'Mc'. Known to populate and thrive in a fast-food environment, they will readily chow down anything fat-coated in sight, even if it isn't theirs.
'Dean P is such a fatty mac. '
Person 1: 'Holy fuck, did you see that?'
Person 2: 'I can't believe it!! He just ate all our food!'
Person 1: 'Man, what a fatty mac.'
Person 2: 'Yeah, I bet he spends his entire life eating and shoving his fat into people's faces to put them off.
Person 1: 'Nah, you've mixed him up with Rosie O'Donnell
Person 1: 'Holy fuck, did you see that?'
Person 2: 'I can't believe it!! He just ate all our food!'
Person 1: 'Man, what a fatty mac.'
Person 2: 'Yeah, I bet he spends his entire life eating and shoving his fat into people's faces to put them off.
Person 1: 'Nah, you've mixed him up with Rosie O'Donnell
by not a fatty mac August 29, 2009

Slowly smoke a large marijuana cigarette. You might smoke a joint-- that can be done quickly. A fatty takes a long time to smoke.
by OldDan-still livin' the 60s October 10, 2015
