* To make a pig of oneself - to eat or drink excessively.
* When pigs fly - never, an expression of impossibility.
* A pig's ear - a complete failure or mess.
* To bring home the bacon - to earn money or achieve a goal.
* To squeal like a stuck pig - to complain loudly or vehemently.
* A pigheaded person - someone who is stubborn or inflexible in their opinions.