Noun
yak shaving (uncountable)
(idiomatic) Any apparently useless activity which, by allowing you to overcome >intermediate difficulties, allows you to solve a larger problem.
I was doing a bit of yak shaving this morning, and it looks like it might have paid off.
So I'm after phrases like "yak shaving" that mean something to the developer community that non-developers don't understand. Not anecdotes.