Fattish is a term which defines somebody who is the most obese stage of obesity
Fattish is a word to instantly annihilate somebody who is at least somewhat fat .
Using this word against a fat person in an argument instantly makes you the winner of the arguement
Boy 1: ur fat
Boy 2: ur fatter
Boy 1: well you're the fattest
Boy 2: well you're fattish
Boy 1: *dies*
by Stasiu12399 December 22, 2018
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Another word for a fetish for fat people, and or foods containing a high amount of fat.
"I have such a fattish for that woman!"
by TheFattishGuy October 20, 2017
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