This is the 17039th most frequent Korean word.
새끼
"새끼" means "young animal" or "offspring." It can also be a slang term used as an insult depending on context.
In this sentence, '새끼' is used colloquially and pejoratively to refer to someone in a way that criticizes their behavior as childish or disrespectful.
저 사람은 정말 새끼처럼 철이 없네.
That person is truly immature like a brat.
In this sentence, '새끼' refers to the young offspring of an animal, in this case, baby kittens. It is used to specifically denote juvenile animals.
고양이 새끼들이 너무 귀엽다.
The baby kittens are so cute.
Here, '새끼' is part of the compound noun '새끼 손가락', meaning 'little finger'. It describes the smallest finger on the hand, showing that '새끼' can relate to something small or diminutive.