Meanings
plural gainaxings
- countablehumorousslanguncountableanimeexcessive shaking of animated breasts, often large.First known use since 1993
There is no gainaxing seen in the game though.
1996 October 2, Chia Jin Ngee, “VF3: Funny moments”, in rec.games.video.arcade (Usenet)4 more examples
According to a Usenet post from 1993, one particular busty young woman from the Gainax anime Otaku no Video inspired a tongue-in-cheek unit of measurement for Gainaxing: one full bounce is apparently equal to one "Misty May". Ironically, it started as an attempt to animate more realistic movement of breasts before getting out of hand by the 1990s.
2007 May 2, TVTropes, archived from the original on 02 May 2007It wouldn't be Gainax with out some Gainaxing! #anime.
2010 February 6, Jake Walker, Twitter豆知识,“乳摇”,尤其指两边摇动方向不同的乳摇,翻译成英文是“Gainaxing”。(所以说这些人造的什么孽哟
Douban knowledge, "breast shaking", especially the shaking of breasts on both sides in different directions, is translated into English as "Gainaxing". (So what kind of evil are these people creating?
2010 June 17, @sakyac, TwitterGainaxing should be a staple in any form of media. Games, movies, animation. It fills me with joy.
2024 June 11, @thatdudecalled1, TwitterSynonyms: jiggle physics
Synonyms & antonyms
nounexcessive shaking of animated breasts, often large.
Origin
From Gainax + -ing, from the company's tendency to depict breasts in such a way.
Full word history & related roots →Translations
Chinese 乳搖 /乳摇
- 乳搖 /乳摇 (rǔyáo)excessive shaking of anime breasts
Japanese 乳揺れ
- 乳揺れ (chichiyure)excessive shaking of anime breasts
Cite this entry
gainaxing. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/gainaxing
“gainaxing.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/gainaxing. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “gainaxing,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/gainaxing.
Source: gainaxing on Wiktionary, CC BY-SA 4.0.