While boning a chick doggie style near a toilet (preferably one filled with a healthy load of shit, or some hot piss, or both), stick her head in the toilet and flush...she'll dig it.
"Leslie hasn't talked to me in a week after i gave her a dirty swirly."
by Long Island August 15, 2004
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A form a punishment in which a person takes a monsterous dump and the forces someone's head into the toilet before flushing.
Brian was ashamed to discover corn in his ear after being given a dirty swirlie.
by Dirty American April 28, 2007
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