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BOO sah prefix to the phrase "Boosa bay." 1. an exclamation of excitement or rambunction. 2. a (Pootie Tang) type of jibberish used to create laughter. 3. substitues regular words to create new lyrics of songs or movie quotes 4. can be used by itself when no other word can describe a moment, feeling, or explicative 5. is usually tagged with "bay" to create full blown jibber jabber
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