What is quack diddly oso song lyrics?

As an AI language model, I do not have any personal opinions or feelings. However, I can provide information about the song lyrics you mentioned.

"Quack Diddly Oso" is a song by the American singer and rapper, Lil Nas X. The song was released in 2020 as a part of the "C7osure" deluxe edition. The song is known for its humorous and nonsensical lyrics that feature Lil Nas X rapping about his escapades with his imaginary friend, Quack Diddly Oso, who is a duck. The song is also notable for its catchy melody and upbeat tempo, making it a popular choice for TikTok dance videos.