You might describe someone particularly talkative or gossipy by saying that their tongue wags at both ends. A more elaborate version is Your tongue wags at both ends and is tied in the middle. Another variant: Your tongue is hinged in the middle...
DUST-OFF n.— «These men and women have a contract with wounded soldiers commonly called DUST-OFF. It’s an acronym standing for “Dedicated Unhesitating Service To Our Fighting Forces.” “That contract states that no matter...
DYKWIA n. an abbreviation of “do you know who I am?” said to be used by celebrities or others seeking special privileges. Also attrib. (source: Double-Tongued Dictionary)

