bidet (katakana: ビーデー , romaji: bi-de-)

One of the standard buttons on the veritable Captain Picard's console attached to every Futuristic Japanese Super-Toilet.

The standard icon is of a lady (distinguishable by her triangular skirt, pigtails, lack of legs, and pink colour) suspended above the astrological symbol for Aries. Behold:

     . .
    ; : ;

I wouldn't know what the button does, because I have never, ever, pushed it.