Definition of Jack and Jill in English:

Jack and Jill

Pronunciation /ˌdʒak (ə)n(d) ˈdʒɪl/

noun

  • 1A hypothetical man and woman; male and female representatives of the common or ordinary people.

  • 2British A printed or written statement of the money owed for goods or services.

  • 3British A pill or tablet of a recreational or non-medicinal drug; especially a tablet of heroin. Usually in plural.

Origin

Early 17th century; earliest use found in John Taylor (1578–1653), poet. From Jack + and + jill, reflecting conventional and proverbial association of the two names.