Green’s Dictionary of Slang

(US) worthless, contemptible, unpleasant.

1845		W.T. Porter Big Bear of Arkansas (1847) 79: You sassy aig-sukkin’, roguish, gnatty, flop-eared varmint.
1875		Cairo Bull. (IL) 24 Mar. 2/3: Can’t you see nothin’, you dash-dashed, aig-suckin’, sheep-stealin’, one-eyed son of a stuffed monkey!
1898		H. Macfall Wooings of Jezebel Pettyfer 400: Yo’ dirty low egg-suckin’ li’l nigger, yo!
1994		posting at sunsite.utk.edu 8 Dec. 🌐 Get a life, too, while your at it, you egg-sucking, pusillanimous PC knee-jerk.