self-service UK /sɛlfˈsɜː.vɪs/US /sɛlfˈsɜɹ.vɪs/ noun2 •[before a noun] The practice of serving oneself, usually when purchasing items.On the opposite side of the concourse is the triple-counter ticket office and three self-service machines which are adjacent to a large customer service counter and the gateline. — 2022 •(humorous, euphemistic) Masturbation.
