cloud seven

cloud nine

Often in the phrase on cloud nine: a state of bliss, elation or happiness.

dance of the seven veils

A striptease performance.

dark cloud

A situation or future event that causes worry, problems or unhappiness, likened to such a cloud overhead in the sky.

four score and seven years ago

Used (sometimes sarcastically) to indicate that a past event being mentioned is particularly important: a long time ago; many years ago.