streched out flaps on a vagina
"your tuna flaps are so big, you could cover your fist before you get to the hole".
by Rick69 September 26, 2007
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Tuna flapping : Rubbing one out

: Female masturbation

: Flicking the bean

: stroking the bearded dragon
by Oisay January 22, 2018
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The excess skin removed during Labia reduction surgery.
They used the Tuna Flap from Nicholes surgery for a skin graft on that burn victims hand. Now he has a permanent fistussy!!!
by firepual wulff October 27, 2009
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She can’t come to the phone right now. Why? Oh, cause she’s tuna flapping.
by Kweenweis January 22, 2018
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