"Notion" is a song by American indie rock band The Rare Occasions, written by lead singer Brian McLaughlin. It was first released independently as part of their Futureproof EP on August 5, 2016. The song went viral on TikTok and YouTube in October 2021, with a slowed version of the song being used in videos portraying nostalgia, also for reaching subscriber goals in which they just passed. The renewed popularity of the song led the band to re-release it as a single.