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A form of fellatio practiced in 19th century England. A woman, (or man), takes a mouthfull of warm milk and then inserts the penis into the mouth, and, warm milk. After ejaculation, the ejaculate/milk is poured into the tea, and consumed with crupmets.
-"Care for a swishle?"

-"I say, tis a splendid evening for a swishle! Rightio!"

-"Drop your knickers, i'll go put the kettle on."

-"Jolly good!"
by Herman Tiowish June 19, 2005
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