This is the 757th most frequent Polish word.
janusz
"Janusz" in Polish slang refers to a stereotypical middle-aged man, often portrayed as uncultured, outdated, or socially awkward.
Here, 'Janusz' is used as a regular Polish name referring to a person.
Janusz kupił nowe sandały na promocji.
Janusz bought new sandals on sale.
In this context, 'Janusz' is used as a colloquial term to describe a stereotypical style often humorously attributed to outdated practices.
Ten sposób przycinania trawy to prawdziwy januszowy styl.
This way of mowing the lawn is a true 'Janusz' style.
Here, 'Janusz' colloquially refers to someone not adhering to modern standards or mistakes-prone in a humorous or slightly critical way.