close-up of funny short-haired brown dog chihuahua, different expressive emotions. space for text

portrait funny little dog pet canine breed playful cute curious charming adorable animal chihuahua closeup fur facial expression smile muzzle face character personality humor joyful endearing perky lively spritely happy positive upbeat merry emoji emoticon digital social media emotions fun puppy bark tail collar leash expressive energetic sociable attention affection nervous highstrung