Top Definition
The corrupted hybrid of a platypus, and a seal. It's call is resembled as ahoo. It feasts on the blood of the living although it is a gentle creature if it is fed daily.
Dude, I just saw a platyseal the other day!!
The rare playseal wanders over in search of blood to feast upon.
by Shilo-Jen November 17, 2008
One day, Mr. Platypus was super horny, but he could only find a seal to mate with. Platypus + Seal = Platyseal.
We went to the zoo today. We saw a platyseal.
by Pj Flaherty February 22, 2011
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