The oof served as the default character death sound in Roblox for many years, playing whenever a player's avatar was destroyed. Clips of the sound began circulating as a meme around 2017, turning it into shorthand for failure across YouTube, TikTok and meme pages. Roblox later replaced the original oof in 2022 following a licensing dispute, but by then it had outgrown the game. It remains a staple reaction sound because almost anyone who played or watched Roblox instantly recognises it.