Self-indulgent and Sky-high

Self-indulgent adjective - Given to or marked by excessive gratification of one's desires.

Sky-high and self-indulgent are semantically related. In some cases you can use "Sky-high" instead an adjective phrase "Self-indulgent".

Sky-high adverb - In an enthusiastic manner.

Self-indulgent and sky-high are semantically related. Sometimes you can use "Self-indulgent" instead an adjective phrase "Sky-high".