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When you bone someone while speaking to them in a language learned through Rosetta Stone.
Dude, after using Rosetta Stone for a few months, I Rosetta Boned the Swedish yoga instructor.

Bro, I Rosetta Boned her so hard, she started speaking French.

I got Rosetta Boned last night and started speaking in tounges!
by poopoo23oolala October 09, 2011