A word usually used as insult to overweight people. Usually used by children.
Stop eating my Twinkies you Fatso!
by PiE! March 18, 2003
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Fatso is one of many words for "fat". A good sign of being a fatso is when your belly drops below your waist. I'd think that most people would be decent enough to not tell a fat person that they are a fatso, it can be very hurtful.
A sure-fire way of being a fatso is eating all of your meals at McDonald's.
by Bluenash November 26, 2009
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The mean word giving to the kid who tends to walk to Mc Donalds straight after school.
Jimmy:Hey bro i just saw that kid in Mc Donalds yesterday.
John:It's okay dude thats fatso.
by Iget girls XD June 27, 2014
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An offending word describing a overweight person. Usually used about people who are; fat, lonesome, anti-social and perverts. Usually spend their time at home and despite to go out in public. This is the kind of people who spend their time infront of the VCR with a pack of toiletpaper!
Holy shit! Look at all the junkfood that fatso in the counter is buying! Wonder what he'll do with that toiletpaper and watermelon O.o
by j0nnsfl£ January 6, 2010
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A nicer southern version of fat.
He's a fatso.
by jay1994 June 14, 2017
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The greatest complement a person can receive usually meaning a person that is extremely humorous and sexy
hey fatso do you work tonight i cant wait to see your face
by smellyjap April 9, 2010
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Meaning "stupid" or "dumb" but in a funny way. Does not mean "fat" at all.
Friend: I broke your Playstation 4! Hahahaha

Me: *screams* YOU FATSO!!!!!!! YOU BETTER BE LYING!!!!
by GOOGOOGAGA November 20, 2015
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