I master shake like Aqua Teen Hunger Force

from Lupe Fiasco – Champ Is Here (Freestyle) Lyrics on Rap Genius

Meaning

A character from the cartoon show Aqua Team Hunger Force

When he says he mastered shake he means a shake down as in a robbery. This ties into the Panic Room reference

Shake is a slang term that refers to powder cocaine. Powder cocaine of course is used in the creation of crack, which Lupe referenced earlier.

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