1. A CRT terminal. Never uSed in the mainStream SenSe of TV real hackerS don' t watch TV, except for Loony ToonS, Rocky & Bullwinkle, Trek ClaSSic, the SimpSonS, and the occaSional cheeSy old SwaShbuckler movie. 2. S> electron tube. 3. (IBM) To Send a copy of Something to Someone elSe' S terminal. "Tube me that note." [Jargon File] (1996-02-05)