This is the 14243rd most frequent Polish word.
prok
"Prok" is not a standard Polish word and may be a typo, slang, or a regional term.
Used as a noun referring to a hypothetical or contextual object.
Prok w środku lasu wyglądał na nieco tajemniczy.
A prok in the middle of the forest looked a bit mysterious.
Here, 'prok' is a placeholder for a means or tool in a contextual reference.
Z prokiem jego plan był o wiele bardziej skuteczny.
With a prok, his plan was much more effective.
In this usage, 'prok' is used as an onomatopoeic or expressive word.