English to English

verb (v)

• move unobtrusively or furtively(verb.motion)

  Example:
  The young man began to sidle near the pretty girl sitting on the log.
  

  source: wordnet30
• move sideways(verb.motion)

  Synonym:
  sashay
  

  source: wordnet30
• To go or move with one side foremost; to move sidewise; as, to sidle through a crowd or narrow opening.(verb)

  source: webster1913