"Piggy Peggy's Big Movie" refers to the movie "Piggy Peggy's New Year" which was released in China in 20 19. As for your classic lines, I'm not sure which one you mean. However, some lines in the film are widely discussed and spread on social media in China, such as:

1. "What is Page?" -This is the lyrics in the movie's slogan and theme song "What is Page", and it is also a line in the plot where grandpa gives a gift to his grandson in the movie.

2. "Peggy is a pig!" This is George's line in the movie. He told grandpa that his favorite animal was a pig, and grandpa replied, "Peggy is a pig!" "

These lines were widely circulated during the film release and became popular words at that time. Many official WeChat accounts have also launched articles and tweets related to movies, introducing the background, storyline and popular lines of the movies.