Meaning of scooby in English:

scooby

Pronunciation /ˈskuːbi/

noun

(also scoobie)
informal Scottish
  • "not to have a scooby": = not to have a clue.

Origin

1990s; earliest use found in The Glasgow Herald. Short for ScoobyDoo, the name of a cartoon dog which features in several U.S. television series and films (which typically include the name of the dog in the title), as rhyming slang for clue.