This is the 8428th most frequent Russian word.
наки
The Russian word "наки" does not appear to have a standard definition; it may be a form of slang or a typo.
In this context, 'накидываю' is a derivative verb from 'накинуть' meaning 'to throw on' or 'to put on quickly', representing the act of putting on clothes swiftly.
Накидываю пальто, чтобы не замёрзнуть.
I'm throwing on the coat to avoid freezing.
Here, 'наки' represents 'наклёпки' (brackets), used to indicate approximate or provisional information.
Наки на числех указывают приблизительное значение.
Brackets on numbers indicate approximate values.
In informal colloquial usage, 'накиды' might refer to 'inputs', 'remarks', or quick additions during a conversation or brainstorm.