Fuckingdammit! Share definition Flag A phrase used to signify extreme anger and frustration. So much that neither fuck or damn it alone can cover. Fuckingdammit, Janae, fuckingdammit! Why didn't you get laid last night? Fuckingdammit! by Zinniakhan May 22, 2008 0 0 Get merch Get the Fuckingdammit! mug. Buy Now — $32.95 See more merch