Pit bull's warning

• Audible warning
• Guard dog's warning sound
• [Stay the fuck away from this scrap yard]
• Guardian's warning
• Warning from a small house
• [That makes me a little angry]
• Doberman's warning
• Schnauzer's snarl
• Reaction to a stranger

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