This is the 12242nd most frequent Polish word.
mia
The Polish word "mia" is not standard on its own but could resemble a conjugated verb form or a nickname; context is needed for precise definition.
The word 'mia' is used here as a proper noun, the given name Mia.
Mia miała piękną sukienkę.
Mia had a beautiful dress.
In this sentence, 'mia' is a part of the phrase 'mia przez chwilę,' meaning 'he had (the impression) for a moment.'
On mia przez chwilę wrażenie, że ktoś go wołał.
He had the impression for a moment that someone was calling him.
Here, 'mia' refers to the proper noun Mia, indicating a person with whom the speaker interacted.