A prize fighter whose modest skills won't let him/her win large purses. So, their manager (who gets a percentage of purses won) will never be able to afford to eat better than ham & eggs. (No steaks!)
An amateur. Primarily and athlete, posing as a professional, but not quite up to that caliber. It's a slurred, "code" name for Amateur. Hence: Am - A - Teur = Ham -And - Egger.
An agricultural term used to describe a livestock facility in which pigs (porcus fattae) and chickens (poultus eggae) are raised in close quarters, often resulting in symbiosis between the two animal species.