Definition of unspin:
(v) :
To counteract or decipher a complicated web of lies, statements, arguments, traditions, etc.
(v) :
To reveal the truth behind PR (public relations) or slanted reporting.
(v) :
(ambitransitive) To untwist (something that is twisted or wound)
(v) :
(transitive) To unravel (something spun, knit, or woven).
(v) :
(transitive, figurative) To counteract fate.
(v) :
(transitive) To unmake.