Brought to international recognition by the endeavors of Harvey Birdman (Attorney-At-Law), the phrase is used dismissively to interrupt a drawn-out answer to a question the speaker makes one wish they had never asked in the first place.
Harvey: Tell me, does Race have any... new buddies?
Johnny Quest: I DID see him talking to Doctor Zin the other day...
Hadji: Oh! Dr Zin is doctor quest's arch enemy! AndanyenemyofDoctorQuestisanenemyofminebecauseioweDoctorQuestverymuchbigtime.