Dash Dance

Dash-dancing is performed by tapping the analog stick left and right rapidly while on the ground, effectively dashing to the left and to the right alternately.

(Left), (Right)

Fox performing a frame-perfect dash-dance in Melee.
Dash dancing can be used to properly space your character as well as playing mind games with your opponent
PPMD dash dances through Mew2king's needles, taking them as if they were nothing
from Apex 2014
Sheik's different dash dance lengths
from Kadano