Compressed spelling of "Fuck did I do?", a shortened version of "What the fuck did I do?", an expression used frequently by Jim McNulty on the HBO series The Wire.
A word used to over dramatize the word "Fuck" when something seriously bad happens, or just about anything requiring a dramatic use of the word "Fuck" Often used by hyper people during texting or in chat rooms, mainly to grab attention.
Person1: You should stop saying "fuck"
Person2: Fuck you, I can say fuck as many fucking times as I fucking want you fucking fucker.
Person2: Fuckdiddilyfuckingfucktasticalyfuckinglyfuckillitylefuckityfuck.
Person1: Wow...
A variation of the Chinese Firedrill, a Chinese Fuckdrill is started by a member of a sexual encounter shouting out "CHINESE FUCKDRILL" after which all members switch positions, givers become receivers, and vice versa.
Man 1: Dude, that Chinese Fuckdrill last night was intense
Man 2: Yeah, it was my first time receiving, I loved it