Wave Dash

A wavedash is a technique in Super Smash Bros. Melee that is performed by air dodging diagonally into the ground, causing the character to slide a short distance.

(Jump)->immediate (Diagonal Air Dodge)

The longest wavedash (Luigi) and the shortest (Peach).
Continuous Wavedashes with Marth.
Sheik punishes Falco's shield pressure with a wavedash out of shield followed by a dash attack
from Kadano
Captain Falcon does a frame-perfect ledgedash (wavedash from the ledge) and pivot edgehogs
from Kadano