Top Definition
A valloon is the act of filling a partner's vaginal canal with air from your mouth, then, either tickling or poking her stomach, forcing her into an exaggerated queef.

Steps:
1. Seal open mouth to the vulva, ensuring vagina is open for air intake.
2. Exhale deeply, filling the cavity with ample air.

3. Close labia with tongue.
4. Poke or tickle; make partner laugh.
5. Enjoy or criticize at leisure.

Tips* This maneuver is easily accomplished while giving cunninglus or the like.
I vallooned a girl so good last night, she queefed like a whoopi-cushion!

Nala was enjoying being eaten out until she realized she had become the victim of yet another valloon.
by JDRxxx88 November 23, 2010

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