迷めい案あん

noun

seemingly good but actually stupid idea

Jocular pun on 名案 (good idea); used for ideas that sound clever at first but are ultimately foolish or impractical.

See also: 名案

• 彼かれの迷めい案あんにみんな呆あきれてしまった。

  Everyone was dumbfounded by his seemingly good but actually stupid idea.

• それは名めい案あんではなく迷めい案あんだよ。

  That's not a good idea; it's a stupid one disguised as clever.