Chaotic state (4)
'chaotic state' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for shambles that I've seen before include "confused situation" , "Butchery - chaos" , "Scene of slaughter or disorder" , "Total mess" , "State of total disorder" .)
(Other definitions for snafu that I've seen before include "mess as usual" , "Mess table" , "chaos, as usual" , "Chaotic state, mess" , "Customary confusion" .)
'chaotic state' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for mess that I've seen before include "Mix-up" , "4 [DISORDER]" , "Where one might eat" , "Army dining place" , "Canteen - muddle" .)