Online catchphrases were a language phenomenon that spread on social networking platforms, social media, chat software, and other Internet applications. It was usually a combination of some phrases or words that had a certain humorous, exaggerated, or ironic effect. Online catchphrases were often produced due to some events, hot topics, or the influence of online popular culture, such as the lines, plots, or character characteristics of certain movies, TV series, music, comics, and other works, or short sentences and jokes spontaneously created by users on some social media platforms. Internet catchphrases spread very quickly. They could often spread widely on the Internet in a short period of time and become a common language phenomenon. Some catchphrases were also used as advertising slogans, brand slogans, and Internet memes to become part of the Internet culture. To create or use a catchphrase on the internet means to create or use a catchphrase on the internet to express one's creativity, humor, or satire.