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|Verb| - When a girls thong is showing or is high on her back.
Dang Monica, I see you Whale Tailin' tonight!

Girl I know you love the ocean, 'cause you Whale Tailin like crazy.
by PolaroidBlues June 01, 2014
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3
Going into town looking for chicks with exposed thongs
Dude, im goin ta downtown Bethel for some whale tailin'
by Joshsquach May 31, 2018
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