TOOL '4°' EXPLAINED — Song Meaning & Hidden Story Behind the Lyrics

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Tool “4°” — Song Meaning & Hidden Story Behind the Lyrics 🥶🕳️

Think “4°” is just a cryptic title? Think again. This track might sound ambiguous, but its interpretations are both eyebrow-raising and mind-bending. 

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What’s “4°” Really About?

Hold tight—this one’s wild. Sylvia Massy (who worked on Undertow) once claimed it refers to the temperature difference between the anal and vaginal cavities. In her words: “The anal cavity is supposed to be 4 degrees warmer than the vagina. Those guys are jokesters!” Reddit

Additionally, the Undertow album inner notes echo the song order with poetic lines like “life feeds on life…,” hinting at transformation and rebirth. “4°” sits right in that lineup, trailing Crawl Away—suggesting it’s part of a deeper emotional and spiritual journey. Wikipedia

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What Fans Make of It

Reddit isn’t pulling any punches:

“Tool rule of thumb: If you don’t get it right away, it’s about anal.”
“Legend has it that the song is about anal sex. The anal cavity is supposed to be 4 degrees warmer than the vagina. And no, I’m not being a troll…”
Reddit

But others offer a more metaphorical lens: “Exploring the unknown—daring to go four degrees into uncharted territory.” Maybe it’s less literal and more symbolic after all.

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Why 4° Still Resonates

This isn’t just a track—it’s a riddle wrapped in mystery with a cheeky punchline. 4° might be echoing Tool’s love for esoteric symbolism, altered states, or boundary-pushing humor—ripe for interpretation, reveling in its own obscurity.

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