1 definition by jennkas

A person that ruins another persons' hopes, dreams,ideas or good moods by being pessimistic and having a negative attitude.
Girl 1: I told Jay I was going to Hawaii.

Girl 2: What did he say?

Girl 1: That I was wasting my time and money because I would get sun burned right away and be miserable for the rest of trip.

Girl 2: I will make sure to tell that black cloud you said ALOHA!
by jennkas June 18, 2008
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