What is aww thank you?

"Aww thank you" is an expression of gratitude often used in response to receiving a compliment or a kind gesture. It is typically used to show appreciation for someone's thoughtfulness, kindness or generosity. The phrase is generally used in social settings and is considered to be a casual expression of appreciation. It can be said in person, on the phone, or through text or social media. The use of the word "aww" in the phrase implies a sense of warmth and fondness towards the person who is expressing gratitude.