Meaning: Surprised (sometimes feigned) reaction to a mess or uncomfortable situation either brought in or caused by someone. (example)
Rewrite 1: Look what the dog dumped on our doorstep
Rewrite 2: Look what Poppa brought home
Rewrite 3: Look what the birds dropped on the window
Rewrite 4: Look what scurried under the door
Comment: Often considered simply an idiom instead of a cliché, but it's still overused and could be rewritten.
Check out the searchable alphabetical list of my cliché rewrites with my archived list.