万まん年ねん床どこ

noun

permanently laid-out futon; bedding never put away

Refers to a futon or bedding that is left out all day instead of being folded and stored. Often carries a nuance of laziness or a relaxed lifestyle.

• 彼かれの部屋へやは万まん年ねん床どこで、いつも布ふ団とんが敷しきっぱなしだ。

  His room has a permanently laid-out futon; the bedding is always left out.

• 万まん年ねん床どこはダニの温おん床しょうになりやすい。

  A futon that is never put away easily becomes a breeding ground for dust mites.