sidle

To (cause something to) move sideways.

[F]rom the circle of delighted auditors listening to the gentillesses of the pink cockatoo, who was sidling on his stand in the sunshine, a whole party of the Beresfords caught sight of me, and in a minute I was surrounded; [...]

The mare never moved; but after immense weight had been placed on both, the horse began to sidle, and before the last bag could be put on him, he sunk on his knees; it was put on the mare, and she bore it, never moving her posture until she was unloaded.

In the intransitive sense often followed by up: to (cause something to) advance in a coy, furtive, or unobtrusive manner.

There was one little prim old lady, of very smiling and good-humoured appearance, who came sidling up to me from the end of a long passage, [...]

A small lad, with a large head and faded yellow hair, sidles up to you, and says something about "Ing'n work," or "Cur'osities," or "Cam'ra 'bscura," or "Guide." You give some sharp, quick answer; the small boy collapses and vanishes.

An act of sidling.

[I]n this mythic America, we fly along in the fast lane, placing bets against flashing lights in the rearview mirror, against the dreaded sidle into the gravel and the voice at the window demanding our license.

An act of sidling.

Listener up there! Here you … what have you to confide in me? / Look in my face while I snuff the sidle of evening, / Talk honestly, for no one else hears you, and I stay only a minute longer.

A surname.