Green’s Dictionary of Slang

1. to go out, esp. on an excursion.

1836

T. Haliburton Clockmaker I 163: But Jim, he outs of the door like a shot.

2. (US black) to leave, e.g. a partner.

1936

A.E. Duckett ‘Truckin ’round Brooklyn’ in N.Y. Age 7 Mar. 7/1: She [i.e. a wife] has up and outed, now it’s dinner for one.