[This is very annoying]

• "This is driving me nuts!"
• "That's MY bone!"
• Sound near a "Beware of Dog" sign
• Unhappy response
• "Get off my lawn"
• Sound from a shepherd
• Warning from a guard dog
• [This makes me mad!]
• Doberman sound

Wiktionary Word definitions in Wiktionary
alt. A growl of anger or disappointment. interj. A growl of anger or disappointment.