Simple past tense and past participle of swill.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "swilled" in a sentence
"Surrounded by gold-framed Badsworths, young and old, Sir Morton ate his fried bacon and 'swilled' his tea, with a considerable noise in swallowing, getting gradually redder in the face as he proceeded with his meal."
"The smell of turkey was in the air, and even Estelle, my mother-in-law, had swilled an early glass of chardonnay."
"They stop us just before we have a first sip of wine and offer us a thought that can be swilled down with the liquid like a tablet."