“So long, partner“, a line from Toy Story 3, may go down as one of the greatest quotes in Pixar movies, particularly if it keeps making a resurgence in meme format. Toy Story 3, like Toy Story 2 before it, was not expected when it came out in 2010. At that point, there had only been one Pixar sequel, and that was Toy Story 2, so when a third film was announced it was a much-appreciated surprise. Despite the emotions of those first two films, audiences still weren’t prepared for how heartbreaking Toy Story 3 would be.

https://screenrant.com/so-long-partner-toy-story-3-woody-meme-explained/