Top Definition
Someone who takes pride in being fat and likes to say that they are better than other fat people.
Fat guy: Hai guysss. Mmmmm this ice cream is good.

Fat master 3000: Shut the fuck up n00b. I ate 200 bowl's of that shit AND your moms pussy!

Fat guy: heart attack then dies.
by N1k19941234 April 28, 2009
5 Words related to fat master 3000

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