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A phrase coined in the year 2013 referring to when you get a girl super wet. Therefore, Poonami-Tsunami.
Dylan ate that heavy honey out so well that he gave her a poonami-tsunami.

It was a poonami-tsunami down there.
by gingginggingging September 07, 2013
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A period. Coined in 2016 by a YouTuber, the poonami tsunami is a play on both words used to refer to a woman’s menstral blood.
Girl 1: hey, want to go out tonight?
Girl 2: no, sorry. The poonami tsunami started.
Girl 1: oh, I’m sorry. Chocolate and Netflix tonight then?
Girl 2: yes, please!
by Snek Keeper June 22, 2018
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