M-ji kaikyaku Ｍ字開脚 (Pose)

In Japanese, emu-ji-kaikyaku Ｍ字開脚, means a pose: opening one's legs (kaikyaku) like the letter M (emu-ji).

The emu morpheme is a katakanization of the letter M.

Character: Kinutsugai Ririko 絹番莉々子
Anime: Hisone to Maso-tan ひそねとまそたん (Episode 5)

• Context: Ririko tries to control a dragon by apparently pretending to play twister inside of its stomach.

This term is typically only used NSFW contexts, e.g. shibari 縛り, for pretty obvious reasons.

• Related Terms
  • Disambiguation

Related Terms

For reference, some related terms:

Character: Takagi 高木
Anime: Karakai Jouzu no Takagi-san 2, からかい上手の高木さん２ (Season 2) (Episode 6)

• kaikyaku
  開脚
  Opening [one's] legs. Spreading [one's] legs wide.
  • ashi wo hiraku
    足を開く
    To open [one's] legs.
  • ashi 脚 = always whole leg.
    ashi 足 = foot or whole leg.
    (same word spelled with different kanji.)
    • bikyaku
      美脚
      Beautiful legs. (not beautiful feet.)
• heikyaku
  閉脚
  Closing [one's] legs. (typically refers to jumping with legs closed in gymnastics.)
  • ashi wo tojiru
    足を閉じる
    To close one's legs.

Character: Nishikino Maki 西木野真姫
Anime: Love Live! School Idol Project (Episode 2, Stitch)

• ashi wo kumu
  足を組む
  To cross [one's] legs.

Disambiguation

The following poses are technically M-shaped and have one's legs open, but are called other things instead:

Character: Kuboyasu Aren 窪谷須亜連
Anime: Saiki Kusuo no Psi-Nan, 斉木楠雄のΨ難 (Episode 17)

• yankii-zuwari
  ヤンキー座り
  "Delinquent squat." A squat associated with yankii ヤンキー, delinquents.

Character: Ushio Hinomaru 潮火ノ丸
Anime: Hinomaru-zumou 火ノ丸相撲 (Episode 1)

• sonkyo
  蹲踞
  Squat used in sumō 相撲 wrestling, with heels not touching the floor, and thighs horizontal.

Character: Yuzuriha Maimai 楪舞々
Anime: Zombieland Saga: Revenge (Episode 7)

• onnanoko-zuwari
  女の子座り
  "Girl's sitting." Also known as W sitting.
• A W is just an M upside down, which means the knees have to point upward, rather than forward, in order for it to be considered an M.