Source : Webster's Revised Unabridged Dictionary (1913)

Mingle-mangle \Min"gle-man`gle\, v. t. [Reduplicated fr.
   mingle.]
   To mix in a disorderly way; to make a mess of. [Obs.]
   --Udall.

Mingle-mangle \Min"gle-man`gle\, n.
   A hotchpotch. [Obs.] --Latimer.

Source : WordNet®

mingle-mangle
     n : a motley assortment of things [syn: {odds and ends}, {oddments},
          {melange}, {farrago}, {ragbag}, {hodgepodge}, {mishmash},
          {hotchpotch}, {omnium-gatherum}]