Black Pineapple is a popular Internet word that originated from the Cantonese word for "like you," which is similar in pronunciation. The origin of the word can be traced back to the song "Like You" performed by Tang Ziqi. Deng Ziqi's pronunciation of the song was nicknamed "Black Pineapple" by netizens, and the word has since been widely quoted as a way of saying "I like you". The use of this Internet buzzword is a humorous and creative way of expression, demonstrating people's playfulness with music and language.