Totally disorganised (7)
I believe the answer is:
chaotic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">totally disorganised</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for chaotic that I've seen before include "Disorderly, shambolic" , "Confused, disordered" , "In complete confusion" , "in random order" , "Topsy-turvy" .)