Top Definition
The offspring of a hamster and a jellyfish who mate. Hamsters and jellyfish have been known to mate quite often in the wild. These creations have been brought to wide recognition thanks to That Guy With the Glasses.
My hamster found a jellyfish, now I have all these damn hamsterjellys

I just love saying hamsterjelly
by Lord of the Penguins March 01, 2009

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