This is the 9137th most frequent Polish word.
szczurek
"Szcczurek" translates to "little rat" or "ratty" in English.
Here, 'szczurek' is used as a noun to refer to a small or young rat, perhaps diminutively or affectionately.
Szczurek siedział w kącie i patrzył na mnie.
The little rat was sitting in the corner and looking at me.
In this sentence, 'szczurek' is employed metaphorically or colloquially as a nickname, highlighting a playful or teasing tone.
Marcin nazywał małego chłopca 'szczurkiem' jako przezwisko.
Marcin called the little boy 'little rat' as a nickname.
'Szczurek' here refers to a laboratory rat often used in experiments, emphasizing its usefulness or role.