1 definition by snipplly123

Top Definition
The person that always has to one up your story with a better one, generally right after you tell yours.
A- "So i was walking down the street yesterday and found 5 bucks!"
B- "Oh yeah? Well i was walking down the street yesterday and found 20 bucks!"
A- "Dude, story trumper."
by snipplly123 January 05, 2011
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