What did Childish Gambino mean when he invented the word 'woke'?

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Current Events » What did Childish Gambino mean when he invented the word 'woke'?
And has usage drifted from that original meaning?
http://i.imgur.com/yCW15Zn.jpg
Redbone still slaps
Lancool II | Z690 Tomahawk |12700K | Fuma 2 | RTX 3070Ti | 16GB
3600MHz | FireCuda 530 1TB | Inland NVMe 1TB | RM750x
Trumpo posted...
Redbone still slaps
The end of that song lives rent-free in my head
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he/him/they/them
Current Events » What did Childish Gambino mean when he invented the word 'woke'?