Definition of razor-slash in US English:

razor-slash

noun

  • A wound inflicted with a razor; the action or an act of slashing with a razor.

verb

  • with object To slash with, or as if with, a razor.

Origin

Late 19th century; earliest use found in Belford's Monthly<br>1940s; earliest use found in Eric Partridge (1894–1979), lexicographer and etymologist.