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Shortened form of "Not a Scooby Doo" which itself is rhyming slang for I haven't got a clue. (Scooby Doo rhymes with clue.)
What time does the next bus arrive? Sorry, not a Scooby. Isn't there a timetable in the bus shelter?
by 9200feet February 03, 2011
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2
I've NOT got A SCOOBY (doo - clue)
Aka I don't know
How many pills have you munched?
Not a scooby.
by FootballPerson April 09, 2019
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