A large sea slug or sea cucumber, whose back represents certain parts of female anatomy. Found primarily in tide pools on the Pacific Rim.
This can also be used as both an insult or flattering remark to another person.
"Hey check out that seagyna in the tide pool."

"Hey stop being such a seagyna!"

"That is so cool! How seagyna!"

"Dude, just seagyna it!"
by Gregory Kelerbenge January 31, 2009
4 Words related to Seagyna

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