Sherm Share definition Flag Sherm is a NY slang word used to describe someone or something that is weird, outdated, lame, or cringey. “You still post people at 11:11? You’re mad sherm” Sherm by badbitch5555555 May 10, 2021 0 0 Get merch Get the Sherm mug. Buy Now — $32.95 See more merch