I'm never sick, when my temperature drop, it's 7 Up
105.6 hell, praise the rock

from Jean Grae – Kill Screen a.k.a. Steve Wiebe Lyrics on Rap Genius

Meaning

Quite possibly one of the most intricate lines ever.

The average body temperature is 98.6 degrees, 105.6 is “7 up” from that. (and also a soda) Jean claims to never be sick, and even if her temperature dropped, it would still be 7 degrees above average. A fever above 105 degrees in a normal person would likely cause brain damage, among other things. Jean is a super-human.

105.6 is also a Detroit-based rock radio station whose motto is “where detroit rocks!” Detroit is often referred to as “Detroit Rock City

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