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A mermaid's twat (a portmanteau of mermaid and vagina), and the genital of preference of mermaid-oriented furries.
Troy hopes to bang some mergina next time he goes deep sea diving.
by Niles Ward November 04, 2006
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"If we see any mermaids I wanna ask where there merginas are."
via giphy
by D-Monkey May 09, 2018
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3
when one lane on a road or freeway ends and the very end is the mergina.____________

_____/that is the mergina

^
i am a pimp i get so many merginas on that 405
by THE MERGINA July 29, 2010
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