an expression or exclamation of disapproval or discontent.
For those times when 'fuck' is just not enough.
This word has no sexual connotations. see bad examle
tripping over after realising one parked ones car on ones foot, one might be heard to exclaim "fuckidy fuck".
One would NOT say "gosh, I'd fuckidy fuck that!" . In this instance, the word 'tap' would suffice.
A word to describe a retarded person or someone with closely retarded abilities, such as your mate that can't pull or your little brothertrying to lick his elbow.