"Oh, my shit acting right!
It's just this bitch simply not rapping right!"

from Keys – Nicki Minaj Diss (Itty Bitty Piggy) Lyrics on Rap Genius

Meaning

She thought her computer had a virus which caused the music to be wack, but in fact it was Nicki’s wack ass all along!

Must be a relief! Getting viruses removed off a computer can be a frustrating, expensive prospect!

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