When you notice a person carrying a conversation that does not have a Bluetooth device clipped to their ear.
Did you see that homeless person over there ranting on his Redtooth? They must be talking to the underground.
by unclenee September 6, 2008
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Redtooth: The pairing of two women’s mensural cycles.
Sheala shared a glass of water with Hellen. Now their Redtooth is synced .
by HoshForce October 30, 2017
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