He did what? Are you Serious?
That nigga did it when, what! Is he delirious?
I'm gonna kill him
No wonder you've been acting so mysterious us us us
Plus

from Femi Jaye – Smitten Lyrics on Rap Genius

Meaning

Friend is angry when he notices that her current man is beating her. or smiting her (Smitten, get it, GET IT!!)
Then he notices that she was acting kinda weird

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