Kryptonite in my pants go ahead go super
Lex Luthor was the super smart CEO of LexCorp (a weapons company) in the comic Superman. He is known to have hated Superman because he believed that he could do a better job than the Man of Steel did. Under the cover of his company, Luthor looked for Kryptonite, Superman’s weakness, so that he might one day kill him.
The Weeknd is saying that the stripper gives amazing blowjobs (AKA brain) and is telling her that what she really want is in his pant. Go super is kinda like saying go all the way.
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