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A fart name is an old person name, usually that some kid gets stuck with.

Judith Millie and Dolores Ann are fart names.
Kid: What's your name???
Judith Millie: Judith Millie.
Kid: Judith Millie?!?!?!!!!!! That is such a Fart Name, you sound like you're, idk, 998 years old!!!!!!
by jmplops October 04, 2010