tron

[NRL, CMU; prob. fr. the movie `Tron'] v. To become inaccessible except via email or `talk(1)', especially when one is normally available via telephone or in person. Frequently used in the past tense, as in "Ran seems to have tronned on us this week" or "Gee, Ran, glad you were able to un-tron yourself". One may also speak of `tron mode'.