Top Definition
1. a long stretch on the word blah
2. what you say when you are hearing something you don't want to hear in order to change topics
3. a word to say when you feel a spontaneous burst of energy
you: blahlalalalalah!
person: so last night me and your sister...
you: blahlalalalalah!
person: man that test was hard
you: blahlalalalalah!
person: what was that?
you: sorry...
by ibreak4pie September 07, 2005
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