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1.
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

Words related to Ronsin

anus ass hole butt hole crapper ronsen ronsun