The Vietnamese word "đít" is a noun that refers to the bottom or the backside of a person or animal. It is commonly used in informal contexts and can be considered somewhat casual or even slightly vulgar, depending on the situation.
Họ ngồi trên đít của mình.
(They are sitting on their bottoms.)
Con chó nằm trên đít của nó.
(The dog is lying on its backside.)
"Đít" is an informal word used to refer to the backside or bottom. It is important to consider the context when using it, as it may not be suitable for every situation.