Top Definition
A non-word, which can be used to describe some feelings.
Person 1: I don't like you!
Person 2: Blahhhh
by Manadude2 October 18, 2007
1. word to discribe dislike

2.what you say when you dont know a word
that dirt cake was so blahhh!
by estefibanana September 20, 2011
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