Firin em Share definition Flag The act of sending mass text messages to the same girl over and over when calling her would be a much easier solution. Aust: Boy sherm who you firin em to over there? Sherm: My main bitch Kelly... what's it to you? Firin em by Borg22188 December 15, 2008 0 0 Get merch Get the Firin em mug. Buy Now — $32.95 See more merch