1. breed of medium-sized dogs with a thick coat and fluffy curled tails and distinctive blue-black tongues; believed to have originated in northern China Familiarity information: CHOW CHOW used as a noun is very rare. Tendency to Drool: Moderate Tendency to Snore: Moderate to high Tendency to Bark: Low Tendency to Dig: Low Social/Attention Needs: Low, Length: Medium/short Characteristics: Double coat, straight Colors: Red, black, blue, cinnamon, cream Overall Grooming Needs: High, AKC Classification: Non-sporting UKC Classification: Northern Breeds Prevalence: Common. ... chow, chow chow (noun) breed of medium-sized dogs with a thick coat and fluffy curled tails and distinctive blue-black tongues; believed to have originated in northern China. Although originally working dogs, today’s breed is less eager to please people and can be stubborn. 1785–95; said to be