tron
tron: v. [NRL, CMU; prob. fr. the movie "Tron"] 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'; compare spod.
Note that many dialects of BASIC have a TRON/TROFF command pair
that enables/disables line number tracing; this has no obvious
relationship to the slang usage.
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