And then replied, "Raheem, right?"
Right!?!

from Jill Scott – Exclusively Lyrics on Rap Genius

Meaning

That’s the highlight of the whole story — Just by sniffing the girl recognizes the smell of Rahim — Even better the smell of Raheem having sweaty and funky sex.
This means that the sex Jill was having with her man isn’t that exclusive.
By the way, Jill might be hurt more because the counter girl had this extra morning sex before she does.
Remember at the beginning of the song, Jill mentions that her man ‘'introduces’‘ her to the extra sex — So that was the first time for Jill.

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