And no, Joanne, I've no idea where that expression comes from, either. :)

default, ramblin' mind
New icon ("love") and changed two old ones (default and "work"):
default, ramblin' mind
bored, work
love, hug, squee
From:
Osmosis, maybe?
Maybe it's one of those things we just pick up not knowing where it comes from?
And yeah, it was something like this in someone else's lj that prompted the puzzlement.
*is alliterative tonight*