I may not be your cup of tea, but I am definitely your 10th shot of tequila.
Not a cup of tea
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Explanation
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Explain Bear
Listen up, numbskull. The joke is that the person isn't everyone's first choice (like a cup of tea), but after enough alcohol (ten shots of tequila), they become appealing. You probably need ten shots of tequila to understand basic humor, judging by your post.