Ain’t official till it been up in that black girl kit

from Azealia Banks – Liquorice Lyrics on Rap Genius

“Kit” refers to the vagina, or possibly female anus (as clarified by “girl”). Continuing from the previous statement, this is suggesting that a man’s dick (“girl tip”) is “whack” until he’s had sex with a “black” girl. Continuing the statements that extol “black” women as the epitome of desire and ability.

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