Girl, I'm the crack-a-lator
Percolator of this party,

from Bad Meets Evil – Fast Lane Lyrics on Rap Genius

Meaning

Another linguistic trick because in this verse he explains
* A sack of potatoes
* CRACK-a-lator (chip sound) / also “cracker” is slang for white guy.
* Lastly a PARTY
This makes most people think of chips…subconsciously

Being “crack” and a “percolator” for the party, he is saying that he gives the party energy, or is the life of the party.

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