1: rotten; lousy.
2: having little value, importance, or influence.
From Pox (noun):
1: a virus disease
2: a disastrous evil: plague, curse.
[Origin: alteration of pocks, plural of pock.]
“Plus he’s a land stealer,” adds Red Coyote. “Suckin’ old white guy. He should be called Prospero Corp. Next thing he’ll discover oil on it, develop it, machine-gun everyone to keep them off it.” “You’re such a poxy communist,” says SnakeEye. – Hag-Seed, Margaret Atwood.