The suspense is buildin'...
Sittin' on edge of my seat now...
What's the surprise? What's the surprise? What's the surprise?
While the plot was thickenin'...
I was hangin' off the cliff love...
You said it's a surprise! What's the surprise... ending?

from Brandy – Surprise Ending Lyrics on Rap Genius

Meaning

If shit has already hit the fan this much then that makes Frank wonder how crazy the end of this relationship will be.

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