resembling swine; coarsely gluttonous or greedy; "piggish table manners"; "the piggy fat-cheeked little boy and his porcine pot-bellied father"; "swinish slavering over food"
If someone has piggy eyes, their eyes are small and unattractive. a character in the book Lord of the Flies by William Golding, about a group of boys who are on a small island and cannot escape. Piggy is fat and wears glasses, and the other boys treat him cruelly, and finally kill him. piggy eyes small unattractive eyes