You better not miss this, overdose dope and mix this
Let your throat close with a boatload of dope quotes within it

from Chance The Rapper – Long Time Part 2 Lyrics on Rap Genius

Meaning

Leaving a shoutout to his audience & telling them not to miss any part of him whether it’s the low point of his overdoses as noted in the song and the rest of his refreshing songs. Chance is saying that you need to say/do some great things before you die, leave a legacy.

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