Home US English jack-o'-lantern grin

Definition of jack-o'-lantern grin in English:

jack-o'-lantern grin

noun

  • A grin resembling the kind of expression typically carved into a Halloween jack-o'-lantern, especially in being broad, toothy, sinister, or menacing.

Origin

Late 19th century; earliest use found in Stephen Crane (1871–1900), writer.