F.L.U.D.D.
F.L.U.D.D., which stands for Flash Liquidizer Ultra Dousing Device, is Mario's Down B in Super Smash Bros. Brawl. The F.L.U.D.D uses its standard spraying nozzle, as opposed to other nozzles such as the Hover nozzle, Turbo nozzle or Rocket nozzle. Pressing down and B caused Mario to pull it out and charge it, similar to Samus' Charge Shot, among other moves; also like those attacks, the charge can be saved with shielding. Pressing down and B again will spray water which can be aimed mid-spray by pressing up or down. The spray will push enemies along with the water but does no damage, which means that it doesn't grant an opponent the third jump again, making it good for edge-guarding. The move is hard to use and learn and requires some practice to use it effectively. It replaces the Mario Tornado from the previous two games, upsetting vetran Super Smash Bros. fans. The Mario Tornado is still retained in his moveset as an A attack as his new dair but Super Smash Bros. vetrans are still upset because you can't manuever it as well and it can only be used in the air. Some also complain that his original dair is gone. This is one of the moves that cannot directly knockout an opponent.
This and Squirtle's Water Gun are particularly useful against Ness and Lucas because it pushes them away from PK Thunder. The water has high priority and can cut through various projectiles. Since the water doesn't cause the opponents to flinch, it can be effective to steal KOs.
While the move does no damage, it is still a Water-type move, and as such it deals extra knockback to Charizard and less to Ivysaur.
If an opponent is able to outprioritize F.L.U.D.D.'s water spray with an attack, the attacker will be caught with significant hitlag, possibly enough for Mario to make an approach.
It was noted on the Dojo that this move can be charged while shielding; however this is not true, as shielding merely saves the current charge.
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SCREW YOUU
Screenshots
Mario launches water at Luigi on Delfino Plaza
