Source : Webster's Revised Unabridged Dictionary (1913)

Mussy \Muss"y\, a. [From 2d {Muss}.]
   Disarranged; rumpled. [Colloq. U.S.]

Source : WordNet®

mussy
     adj : dirty and disorderly; "a mussy fussy bedroom"; "a child's
           messy eating habits" [syn: {messy}]