Down tilt, Smashpedia

A Strong Down, also known as a Down tilt (abbreviated "d-tilt,") is a Strong Attack performed by any character by holding the control stick lightly down or crouching and pressing A while on the ground. It will instantly hit all surrounding characters, making it useful for spacing. It is also useful for a foe rolling around you. It can also be performed by pressing Z while crouching. In Super Smash Bros. Brawl, many Strong Down attacks have the ability to make opponents Prat Fall/trip occasionall

Sonic Super Smash Bros. Ultimate

Terry (SSBU)/Down tilt - SmashWiki, the Super Smash Bros. wiki

Smashpedia: How to use Sonic The Hedgehog!

Bayonetta True Combos, Kill Confirms, Resets - Super Smash Bros. for Wii U : r/smashbros

Terry Guide: Matchup Chart and Combos, List of Terry Command Inputs

Forward tilt, Smashpedia

Super Smash Bros. 64 - 01 to 04 / Characters - TV Tropes

Mr. Game & Watch - Ultimate Frame Data

Franchise Festival #40: Super Smash Bros. – The Avocado