It is a "word" or just an exclamation that Sabahans commonly use to say "Shoo!".
Specifically to a dog.

That's all there is.

Oh, and another variant:
-Sika po!
A: Sika! Anjing, budu.

(With the variant)(Basically the same thing)
A: Sika po! Anjing, budu.
by Vince0110 January 3, 2022
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Sika(sivakarthikeyan) is a dummy bundai who cries in all state shows
Sika
by Starlighthwjkq January 8, 2021
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