I told you I ain't fooling from the gate, this ain't the first day of April
Here he uses fairly intense wordplay in that he says it to make it sound like, “I told you I ain’t fooling from the gate, this ain’t the first day I "ATE” April."
There’s a bit of a stutter like Ap-April
As he is talking about eating her out hence the “below your naval” reference and “find something more stable.”
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