I. ˈswil verb
Etymology: Middle English swilen, from Old English swillan
Date: before 12th century
transitive verb
1. : wash , drench
2. : to drink great drafts of : guzzle
swill beer
3. : to feed (as a pig) with swill
intransitive verb
1. : to drink or eat freely, greedily, or to excess
2. : swash
• swill·er noun
II. noun
Date: 1553
1. : something suggestive of slop or garbage : refuse
2.
a. : a semiliquid food for animals (as swine) composed of edible refuse mixed with water or skimmed or sour milk
b. : garbage