Since FOAD is likely to be taken the wrong way:
In the spirit of George Carlin, who said that “Fuck you” is wasted as an insult because sex can be viewed as a positive and beautiful thing and that if you want to insult someone, you should say “Unfuck you,” instead; in other words wish that they never again experience the pleasure of sex:
Unfuck off, and may your remaining years be equal in number to those of Methusela…