This is the 15996th most frequent Russian word.
пс
"Пс" is an informal interjection in Russian used to call or attract a dog's attention, similar to "psst" or "here" in English.
This usage of 'пс' is colloquial, referring to a small dog.
У нас на кухне завёлся мелкий пс.
A small dog appeared in our kitchen.
Here, 'пс' is an onomatopoeic word mimicking a call to attract a dog's or person's attention.
Пс-пс, иди сюда, я тебя угостю.
Psst-psst, come here, I'll treat you.
In this sentence, 'пс' is used as a sound or command recognized by a dog.