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Pronounced as it is spelled, the ronsin is a slur word for the anus. It's origins are thought to be San Clemente, CA and/or Minnesota.
He was totally bending that chick over and plowing her in the ronsin.
by thesanfranciscotreat May 14, 2009
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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