Ｍ字開脚えむじかいきゃく

noun

M-shaped spread legs pose

Pornographic pose where the legs are spread wide with knees bent, forming an M shape. Used in adult content and related discussions.

• その動どう画がでは、女じょ優ゆうがＭ字じ開かい脚きゃくのポーズをとっていた。

  In that video, the actress was striking an M-shaped spread legs pose.