Every little while he locked me in and went down to the store, three miles, to the ferry, and traded fish and game for whisky, and fetched it home and got drunk and had a good time, and licked me…The old man made me go to the skiff and fetch the things he had got. There was a fifty-pound sack of corn meal, and a side of bacon, ammunition, and a four-gallon jug of whisky, and an old book and two newspapers for wadding, besides some tow.

– Mark Twain

The Adventures of Huckleberry Finn, Chapter 6. For Huck’s father Pap Finn, alcohol has become a priority over necessities like food. He spends more on alcohol than food to eat.