Top Definition
The most gigantic wave known to man. Usually comes from the Atlantic Ocean. This form of wave is incorrectly noted as a Monster Wave by the North American Wave Society. Master Waves have a habit of knocking people over with their monstrous force.
Person 1: "Hey dude, what did you do today?"

Person 2: "I got knocked over by those huge Master Waves down at the beach. I fell down 10 times!"

Person 1: "Ouch, man. That sucks."
by boogieboardchick1000 August 31, 2009
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