Definition of boyism in US English:

boyism

noun

  • 1A boyish or childish characteristic or mannerism (especially in a literary work); an instance of boyishness.

  • 2The characteristic nature of a boy; boyishness, childishness.

Origin

Early 18th century; earliest use found in John Dryden (1631–1700), poet, playwright, and critic. From boy + -ism.

Pronunciation

boyism

/ˈbɔɪɪz(ə)m/