Generally any type of media that is marketed as under the radar, yet is of quality to have been a top tier marketing tool.
by Senior Twinkles May 28, 2006

Duncan Laurence’s Arcade, which is a song, is an example of a sleeper hit. It represented the Netherlands (and also their winning song) at the 2019 Eurovision Song Contest and later went viral on TikTok in 2021.
by thecharacterwannie September 28, 2022

Someone who you personally find attractive (real or a fictional character), but most people don’t or at least don’t talk about how they’re attractive.
by I_just_wanted_to_add_one_thing May 28, 2024
