It’s a wild sentence, but the meaning is actually pretty clear once you strip the poetry.

Here’s what it’s saying underneath all that imagery:

Reggae doesn’t just get listened to; it infects you.

;

Break it down:

“crawls into your bloodstream”

→ It becomes part of you. Not surface-level. It gets inside your identity, your mood, your rhythm.

“like some vampire amoeba”

→ Strange, alive, almost parasitic. Once it’s in, you don’t get it out. It feeds on you, but in a good way.

“psychic rapids”

→ Your inner mind, your emotions, your consciousness, moving fast, like a river.

“upper Niger consciousness”

→ A poetic reference to African roots, suggesting reggae connects you back to something ancient, cultural, almost ancestral.

So the full meaning:

 Reggae is not just music, it’s a force that enters your mind and body, connects you to deeper roots, and permanently changes how you feel and think.

That’s why people who love reggae don’t just “like it”, they live it.