Not a Scooby

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 22, 2011

Not a scooby

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 9, 2019