"Squee!" is an expression often used to convey excitement or delight, particularly in response to something cute or endearing. It is commonly associated with fandom culture, where fans might react to their favorite characters, animals, or moments in a highly enthusiastic manner. The term captures a spontaneous, joyful reaction that can be both vocal and written. The term gained popularity in the early 2000s, especially within online communities and social media platforms. It is frequently used in conjunction with images or videos of adorable animals, such as puppies or kittens, and is often seen in posts related to anime or manga fandoms.