Definition of slummocky in English:

slummocky

Pronunciation /ˈslʌməki/

adjective

informal, dialect British, Australian, New Zealand
  • 1Slovenly, untidy; careless, sloppy.

  • 2Ungainly, awkward; characterized or marked by clumsy or careless movement (frequently used of a racehorse or its gait). Also of a person's body: soft and flabby; out of shape.

    Recorded earliest in the compound "slammocky-as-to-figure" adj.

Origin

Mid 19th century; earliest use found in Thomas Haliburton (1796–1865), politician and writer. Probably partly (i) from slummock + -y.