Blinking
You may be looking for Hitstun blinking, the cause of Pause buffered hitstun.
Blinking is the phenomenon in which many objects appear to blink their eyes.
The only creatures that blink are Mario, Peach, Bowser, Eyerok, Pokeys, Koopas (including Koopa the Quick), Goombas, Lakitu, Penguins, Bob-ombs (both black and red), Mr. I, and Yoshi. Of these, Mr. I and Eyerok blink based on Mario's interactions with them. All other creatures blink idly.