anime girl with her breasts bouncing around


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Jiggle Physics / Gainaxing[1] is a anime related term that refers the way a female character's breasts move around gratuitously, often in ways that seem to defy physics. The breasts for the female character's body usually bounce, jiggle, sway, and bobble as if the character has no bra under their clothing.


The earliest known of Jiggle Physics / Gainaxing appeared around several anime in the 1980's. Studio Gainax, an anime production, created their first OVA in 1988 called Gunbuster (Top wo Nerae!). The Jiggle Physics is found in three female characters known as Noriko, Kazumi, and Jung.


While Jiggle Physics / Gainaxing has been used by numerous animation studios, their versions of Jiggle Physics / Gainaxing grows larger (including the breasts) and popularized by the wider spread of various anime, shows, movies, video games, and even hentai pornography.

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External References

[1] Google – Jiggle Physics

[2] TV Tropes – Jiggle Physics

[3] TV Tropes – Gainaxing

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