This is the 16123rd most frequent Polish word.
uderza
"Uderza" means "hits" or "strikes" in English.
Here, 'uderza' means 'hits,' referring to the action of the ball impacting the wall.
Piłka uderza o ścianę.
The ball hits the wall.
In this context, 'uderza' metaphorically indicates a deeply affecting action or feeling.
Słowa, które mówi, uderza głęboko we mnie.
The words he says deeply affect me.
'Uderza' here denotes the sound or act of the gong being struck.