Definition of scooby:
(n) :
Scooby-Doo, a fictional cowardly anthropomorphic dog in a children's cartoon; used to make phrases bringing to mind aspects of that cartoon.
(n) :
(Cockney rhyming slang) A clue (insight or understanding).
(n) :
(Cockney rhyming slang) Alternative letter-case form of Scooby. [Scooby-Doo, a fictional cowardly anthropomorphic dog in a children's cartoon; used to make phrases bringing to mind aspects of that cartoon.]