Definition of heartikins in English:

heartikins

noun

rare, archaic
  • Used as an oath to express asseveration, surprise, etc. Chiefly in "od's heartikins".

Origin

Mid 18th century; earliest use found in Tobias Smollett (1721–1771), writer. Either a variant of heartlikins, or independently from heart + -kins, with insertion of -i- after bodikin, variant of bodikin.

Pronunciation

heartikins

/ˈhɑːtɪkɪnz/