FDK was coined by Hazel in her story The Ultimate Drug . After it was posted, the term caught on...for reasons that will become obvious after reading.
It's short, funny and worth checking out for any author.
LabRat
Athos: If you'd told us what you were doing, we might have been able to plan this properly. Aramis: Yes, sorry. Athos: No, no, by all means, let's keep things suicidal.