[That makes me a little angry]

• "This is sooooo frustrating..."
• Kennel sound
• Spot's warning
• Watchdog sound
• Dog's "I'm warning you!"
• Cur's sound
• "Don't mess with me!"
• (I'm mad!)
• [Don't touch my bone!]

Wikipedia Word definitions in Wikipedia
GRR or grr may refer to: ANOVA gauge R&R , gauge repeatability and reproducibility, a statistical measure of the precision of a measurement system Gainesville Roller Rebels , a roller derby league based in Florida Great River Road , a series of roads which ...