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A US Navy tradition that occurs when a ship crosses the equator. Any sailor or Marine who's first time passing the equator is subjected to a hazing ritual called "Shellbacking."
When I sailed with the 15th MEU out of Camp Pendleton I got Shellbacked.
by Matt_usmc August 21, 2006
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Jun 20 Word of the Day
Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.
The MOGAI community in my city is very friendly.
by sebasty September 04, 2014
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A Shellback is a Pollywog that has gone through The Crossing the Line Ceremony. Sometimes referred to as Sons of Neptune.
I became a shellback when we crossed the line on our way to Australia.
by xNilx February 09, 2010
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