O.E. slincan "to creep, crawl" (of reptiles), from P.Gmc. *slenkanan (cf. Swed. slinka "to glide," Du. slinken "to shrink, shrivel;" related to
sling (v.)). Of persons, attested from late 14c. Slinky (adj.) "sinuous and slender," of women or clothes, first attested 1921. As