Adpocalypse szn means: The recurring stretch of time - often Q1 or around major news events - when advertisers pull budgets and YouTube monetization collapses into chaos for creators. Adpocalypse szn is treated with. It is internet-era slang, commonly seen on TikTok, Discord, Reddit or X. There is no real cause for parental concern; it is descriptive vocabulary rather than risky behaviour.