2010, Syed Ali, Dubai: gilded cage (page 58)It is not just bad news about Dubai that gets blocked from the Internet; ... a whole range of other social networking sites have been blocked, unblocked and reblocked.
(transitive) To remould (a hat) into its original shape.
1951, Bernice Gertrude Chambers, Color and design: fashion in men's and women's clothing and home furnishingsReputable dry cleaners can clean and reblock a hat.