1) All bollixed up 2) All fouled up 3) At sixes and sevens 4) Botched up 5) Chaotic 6) Cluttered 7) Confused 8) Disarrayed 9) Disordered 10) Fouled-up 11) Muddled 12) Not neat 13) Really botched up 14) Snarled 15) Topsy-turvy 16) Untidy Found on https://www.crosswordclues.com/clue/in-a-mess
1) All bollixed up 2) All fouled up 3) At sixes and sevens 4) Botched up 5) Chaotic 6) Cluttered 7) Confused 8) Disarrayed 9) Disordered 10) Fouled-up 11) Muddled 12) Not neat 13) Really botched up 14) Snarled 15) Topsy-turvy 16) Untidy