Looseness, with a

Without restraint.

1836.  Go it with a looseness—root little pig, or die.—W. T. Porter, ed., ‘A Quarter Race in Kentucky,’ etc., p. 18 (1846).

1852.  Out of time, out of place, and out of order, he pitches into it, as the saying is out West, with a perfect looseness.—Mr. Giddings of Ohio, House of Repr., Jan. 20: Cong. Globe, p. 326/3.