Top Definition
a person who doesn't belong where he is, but acts like he's superior.
o Scrub zz was talking shit but got smacked 1v1. What a walmartatron.

Larkin: Nbarbs got scraped on the GB forums.
Jeff: i heard..what a walmartatron.
larkin: agreed.

by Pwnstar . January 01, 2009
6 Words related to walmartatron

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