Frank J. Wilstach, comp. A Dictionary of Similes. 1916.

Rock

Rocked like a leaf.
—Anonymous

Rocked like a ship at sea.
—Anonymous

The earth rocking as a ship borne over the waves.
—Samuel Beal

The burning phrase
Rocked on like ocean’s tidal swell.
—Lord De Tabley

Rock’d like Yankee in his chair.
—Thomas Hood

Rocking like the stately lilies beneath the stately sky.
—Christina Georgina Rossetti

Like sea-birds in the sunny main, rock idly.
—Robert Southey

Rocked like a mass of jelly that has been invisibly shaken.
—Hermann Sudermann

Head was on her breast, rock’d like a nautilus in calm mid-ocean.
—N. P. Willis