meaning of "I do not have a head weight"

English as a Second Language English Vocabulary, Grammar and Idioms
1

I would like to understand the below
what do you mean by “I do not have a head weight”

2

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We need more context, Rajesh.
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3

I have heard this when there was a conversation between two people ( i do not know them )
one person said to another - " I don’t have “head weight” like you".
hope this would help

4

The word headweight is often heard in India. I don’t think a native speaker would know it.

If somebody has headweight, they are conceited/proud.