sail the high seas

come hell or high water

Regardless of the hardships; no matter what difficulties may arise.

crowd sail

To carry an unusual amount of sail in an attempt to accelerate the speed of a vessel.

friends in high places

Friends who have authority or influence and who can ensure that one's interests will be protected or furthered.

get high

To intoxicate oneself with drugs or other substances.

get off one's high horse

To stop acting in an imperious, overbearing or bossy manner.

hell or high water

Highly adverse circumstances; acts of God.

high and dry

Abandoned, stranded, helpless.

high and low

Everywhere; all over the place.