Top Definition
Generally a person that has been caught in a flood and decides to swim in the streets. Most commonly known, Hurricane Katrina let loose thousands of FloodGuppies.
Dude! Lets go swim in the street!

No, i'm not gonna be a FloodGuppy
OR
Look at that guy in the street being a FloodGuppy!
by CAMMORANIUM November 09, 2011

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