gobbledegook or gobbledygook /gobˈəl-di-gook/ (orig US sl)

1. Unintelligible official jargon
2. Rubbish, nonsense

• duck-boards
• duck-coy
• ducked
• duck-egg blue
• ducker
• duckers
• duck-footed
• duck-hawk
• duck-hawks
• duck hook
• duck hooks
• duckier
• duckies
• duckiest
• ducking
• ducking-pond
• ducking-ponds
• duckings
• ducking-stool
• ducking-stools
• duck-legged
• duckling
• ducklings
• duckmole
• duckmoles