Most commonly used in refference to the Federal Aviation Administration--which is really not that far removed from some of the other defenitions on this page.
The FAA clearly states in FAR Part 91, section 130, paragraph 4c...
guy 1: oh did you see the feds against aviation released a remote id waiver.
guy 2: yea fuck bureaucrats i just ignore rules im not part of the sheeple herd.
guy 1: well now ur drone has to be under 250 grams otherwise the faa will fuck your drone right out of the sky if it doesnt have remote id on it.
guy 2: well shit... time to trim the fat from my drone then...