Definition of rantum-scantum in English:

rantum-scantum

noun

  • Reckless or heedless behaviour, (in early use) especially wild or uninhibited sexual activity.

Origin

Late 16th century (in an earlier sense). A rhyming compound, of uncertain origin; perhaps compare earlier random and slightly later rant.

Pronunciation

rantum-scantum

/ˈrantəmˌskantəm/