“Say So” is a song by Doja Cat from her 2019 album Hot Pink. It became especially prominent online in 2020 as a TikTok song, helped by dance trends and short-form fashion and beauty videos. Its retro pop production and easy-to-recognize hook made it a natural fit for short edits, lip-syncs and transformation posts. The track remains popular in soundboards because even a few seconds instantly signal a stylish, upbeat mood that people already associate with polished social video content.