1 definition by Stan the man from japan

A large tropical creature with wings. Often imitated by young children. Reports put the creature as looking somewhat like a male Tropius from the popular video game Pokemon. Its cry is as its name describes; "Guam~"
-Guam Guam, look mom I'm a guam!

-GUAAAAM IM SO GOOD AT SHARKS AND MINNOWS THAT I'M A GUAM
by Stan the man from japan January 3, 2011
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