More context would help.
"I was just waiting for your chill" is correct or wrong sentence?
More context would help.
Context is important. Please provide enough for us to be able to deal effectively with your question.
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i would like to say her that i am waiting for her cool down/chill, afterwards i will talk to you.
You have to get these popular usages just right, or you risk being seriously misunderstood.
Without context I assumed that 'I was waiting for your chill' meant something like 'I knew you'd been caught in the rain without an umbrella, and I was expecting your health to decline.'
b
The main thing you need to spot in this is that the construction you used "I am waiting for your + noun" is incorrect in this context. We use "I am waiting for you + to infinitive".
I am waiting for you to chill out.
I am waiting for him to come home.
He is waiting for me to eat the cake.
They are waiting for her to become angry.
Remember - correct capitalisation, punctuation and spacing make posts much easier to read.