YHBT
= Y =
YMMV
YKYBHTLW // abbrev.
Abbreviation of `You know you've been
hacking too long when...', which became established on the Usenet
group alt.folklore.computers during extended discussion of the
indicated entry in the Jargon File.
--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.