done dog diddly done 

A phrase similar to destroyed , ruined , wrecked, gg'd. Simply put, the "thing" the phrase is being directed to simply means it's done.

"look at this misses throwing up on george street, she's fucking done dog diddly done deaded

done dog diddly done by supremelobsterr May 24, 2018

You've just dog diddly done it. 

1. A somewhat more grave way of saying "you fail".
2. A way of saying when someone has taken it too far.

Plane Captain: Oops, we've just lost both engines.
Co-pilot: You've just dog diddly done it.

Driver: Oops, I think I just hit an old lady crossing the street.
Passenger: You've just dog diddly done it.

Guy: Oops, I got drunk last night, mistook your girlfriend for mine and slept with her.
Friend: You've just dog diddly done it.

Guy: Oops, I spilt coffee on my brand-new nine-hundred-dollar laptop.
Girl: You've just dog diddly done it.

Hunter 1: Oops, I mistook the game warden for a deer and shot him.
Hunter 2: You've just dog diddly done it.

You've just dog diddly done it. by derroflcopter April 27, 2013