Sentence:  Sung Wha knows it's pineapple <WSD>swipe</WSD> they are drinking. Hoping that they might sell him some of the stuff, he approaches them with the dollar bill out. One worker, sucking on a fat, wet stub of a cigar, waves off the offer and shakes his head: no we aren't selling the <WSD>swipe</WSD>, the <WSD>swipe</WSD> is for us to drink and enjoy. 
Meaning of the word marked with <WSD> tags:  Poor, weak beer or other inferior alcoholic beverage; rotgut.