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- a person(s) who eats a lot of seafood or a variety of sea creatures. Typically of Asian origins, being Chinese or Japanese.
Sea urchins, sea cucumbers, shark fin soup and Giant Isopod are some of the types of food a seaeater would eat.

lobster, crabs and fish are the most basic seafood a seaeater would eat.
by sangoman June 02, 2010
When you give head to a woman with crabs.
I bet he gave his girlfriend a sea eater.
by NJHS May 07, 2008