Webster’s Revised Unabridged Dictionary · 1913
Sidle
Si′dle, v. t. [imp. & p. p. Sidled; p. pr. & vb. n. Sidling.] [From Side.] To go or move with one side foremost; to move sidewise; as, to sidle through a crowd or narrow opening. Swift.
He . . . then sidled close to the astonished girl. Sir W. Scott.