It's simple. It's about the natural rush of adrenaline. Adrenalize is a term they made up. The suffix -ize means to become or become like. Adrenalize would basically mean to get her adrenaline pumping. Someone can be addicted or at least seem addicted to it easily. A lot of these lyrics are exactly what adrenaline junkies say. Her preferred methods are music for audible, love for emotional, and sex for physical. The "drug" is a metaphor for the adrenaline. While adrenaline is pumping it can temporarily change your perspective, just like drugs can. The reason why she would die without it is because the world seems dull when you have had a rush of something and are addicted.
It's simple. It's about the natural rush of adrenaline. Adrenalize is a term they made up. The suffix -ize means to become or become like. Adrenalize would basically mean to get her adrenaline pumping. Someone can be addicted or at least seem addicted to it easily. A lot of these lyrics are exactly what adrenaline junkies say. Her preferred methods are music for audible, love for emotional, and sex for physical. The "drug" is a metaphor for the adrenaline. While adrenaline is pumping it can temporarily change your perspective, just like drugs can. The reason why she would die without it is because the world seems dull when you have had a rush of something and are addicted.