"swills" in the noun sense
1. slop, slops, swill, pigswill, pigwash
wet feed (especially for pigs) consisting of mostly kitchen waste mixed with water or skimmed or sour milk
"swills" in the verb sense
1. slop, swill
2. swill, swill down
drink large quantities of (liquid, especially alcoholic drink)
Source: WordNet® (An amazing lexical database of English)
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