This is the 11466th most frequent Polish word.
japonkach
"Japonkach" is the plural locative form of "japonki," meaning flip-flops.
Here, 'japonkach' refers to flip-flops as a type of footwear, used in locative case.
Lubię chodzić po plaży w japonkach.
I like walking on the beach in flip-flops.
While not directly using 'japonkach', the context shows its relation to 'japonki', highlighting their use in summer.
Kupiłem nowe japonki na lato.
I bought new flip-flops for the summer.
In this instance, 'japonkach' is used in the locative case denoting the appearance of someone wearing flip-flops, emphasizing their color and holder.