What is the name of cut sound? (i don't want to steal the sound)

Worst sprunkis cats

IS THAT-

I'M CRYING WYH?!! THIS IS SO FREAKING CUTE I'M DYING PLEASE AHHHHHHHHH（┬┬＿┬┬） 10/10 RAHGHHH ໒꒰ྀི∩˃ ᵕ ˂∩꒱ྀི১