Where a person adopts the catchphrases of another person when they start hanging out with them.
Person 1- "It's weird, Jim has been using the word 'dude' a lot lately."
Person 2- "Yeah he has been hanging out with Sue and that is her word."
Person 1- "Oh he has a case of social osmosis."
by Katrina_is_Replaced December 22, 2011
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