Meaning of sky-high

(adv) (with verb `to blow') destroyed completely; blown apart or to pieces; "they blew the bridge sky-high"; "the committee blew the thesis sky-high"

in a lavish or enthusiastic manner; "he extolled her virtues sky-high"

to a very high level; "prices have gone sky-high"; "garbage was piled sky-high"; "the men were flung sky-high by the explosion"