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1.
Similar to kbai, but with emphasis by adding nao. Hence, kbainao.
The nao when added to kbai, kbainao can imply directly to someone that he is expected to leave and likely make a scene upon exiting.

1 It means shoo, go away, I'm done with you.

In other situations it can mean that I am dropping/leaving abruptly, one can probably gather why from the context.
1 Ex.
boy: girl i wanna lick the #### outta ur a$$
girl: oh yeah?
boy: hellz ya
girl: kbainao
by MynoduEsp_1st September 30, 2011