• hog, swine; cast iron; police officer, cop (derogatory slang)
• give birth to piglets
• a pig is a farm animal which is bred for its meat.
• if you call someone a pig, you mean that you think they are greedy, unkind, or unpleasant in some way; an offensive use.
• if you make a pig of yourself, you eat too much; an informal expression.
• someone who is pig-headed refuses to change their mind about things; used showing disapproval.
pig in a poke
• something that is offered in such a way that its true value is hidden (particularly its lack of value)
• raw iron, unrefined iron
• (slang) overeat, eat too much
ate like a pig
• overate, ate greedily, gluttonized, gorged
fat as a pig
• very fat
• type of small rodent; subject of an experiment
• a guinea pig is a small furry animal without a tail which is often kept as a pet.
• a guinea pig is also a person that is used in an experiment; an informal use.
like a pig
• greedy, sloppy, piggish
male chauvinist pig
• man who thinks of women as inferior and discriminates against them by applying to them stereotyped ideas of female inadequacy