slink
verb
[ slɪŋk ]
• move smoothly and quietly with gliding steps, in a stealthy or sensuous manner.
• "the fox came slinking through the bracken"
slink
noun
• a slinking movement or walk.
• "she moved with a sensuous slink"
Origin:
Old English slincan ‘crawl, creep’; compare with Middle Dutch and Middle Low German slinken ‘subside, sink’.