1 definition by holyguacamol

Top Definition
An addictive yet relaxing Facebook application where you can tend an aquarium and raise your own pet fish. You can customize your tank with scenery and items from a virtual store, and earn gold by visiting friends' tanks and selling your adult fish for a profit. As you level up you can buy more fish, and more things become available as decorations.
I finally got level 32 in happy aquarium!
by holyguacamol October 20, 2009

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