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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A buffass kid, aka JUSTiN KORN-NAY-JOE.
AMAGAD! GUAM is SOOO SEK C!
by HUAN November 13, 2003
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The shittiest car you can ever own that will make obnoxious noise when you start the engine.
Guy #1: That's one ugly guam bomb
Guy #2: I know!
by Stealf September 18, 2010
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A Vial STD contracted from having sex with Hydrerion. This particular sexually transmitted disease has a symptom of green puss coming out of anus and major one of major flatulence with blood.
Oh my god Sean!! Your Getting Your Grimy Guam Everywhere!
by Dalton, Mr_Pumpk1n June 5, 2008
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Noun. A name for a dish ordered at a restaurant in a group dining setting that no one wants when it arrives.
Despite Jenny swearing up and down she had it before, when the dish arrived, the Durian infused liver and garlic corn risotto instantly became the Guam plate.
by Magnus Carlsen January 4, 2013
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