I ain't no connoisseur but I'm kinda sure you will admire my taste
Connoisseurs are, so to speak, professional tasters. Wale may not be a professional taster but he is sure that she will like his taste in cars, clothes, jewelry, fine dining, etc. Could also refer to the fact she would love it when Wale eats her.
The sexual pun here is pretty obvious — Wale’s “taste”, i.e. the taste of his semen.
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