This is the 14263rd most frequent Polish word.
proporczyk
A "proporczyk" is a small pennant or banner, often triangular, used as a symbol or decoration.
Here, 'proporczyk' refers to small decorative flags often used for festive purposes.
Dzieci udekorowały salę proporczykami.
The children decorated the room with pennants.
In this case, 'proporczyk' denotes a small flag-like symbol representing a group or organization.
Każdy harcerz miał przypięty proporczyk swojej drużyny.
Each scout had pinned a pennant of their troop.
Here, 'proporczyk' represents a souvenir or collector's item associated with sports teams.