This is the 11453rd most frequent Russian word.
додавит
"Додавит" means "will press/squeeze down completely" or "will push through."
In this sentence, 'додавится' means to apply force or pressure to fully compress something.
Если ты приложишь достаточно усилий, эта пружина додавится.
If you apply enough effort, this spring will press down.
Here, 'додавит' reflects the act of pushing oneself to the absolute limit or completion.
На соревнованиях он всегда додавит до конца, несмотря на усталость.
During competitions, he always pushes to the end, despite fatigue.
In this case, 'додавит' means applying force until something makes contact or reaches its final position.