My turbo boosting, my jetpack cruising
Get jet lag when I come back to these fucking humans

from ScHoolboy Q (Ft. Kendrick Lamar) – Light Years AHead (Sky HigH) Lyrics on Rap Genius

Meaning

Kendrick’s flying high into the stratosphere as in seriously stoned, but gets tired and irritated when he has to come back to earth and deal with humans, he is out of this world, an alien.

He’s also referring to the comedown after a high and dealing with reality again afterwards

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