Synonyms for Swig (same or very similar meaning)
WordNet sense 1 (strike heavily, especially with the fist or a bat):
slog, slugWordNet sense 2 (to swallow hurriedly or greedily or in one draught):
gulp, quaffWordNet sense 3 (a large and hurried swallow):
draft, draughtFrom the ODE community, based on WordNetadd/edit