Another word for a Russian nesting roll

Also a bop song by 3RACHA

When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.

Set of wooden dolls of decreasing size placed one inside another. The name "matryoshka" (матрёшка), literally "little matron", is a diminutive form of Russian female first name "Matryona" (Матрёна) or "Matriosha".

Changbin’s iconic line while he was rapping