Thrust Uppercut (突き上げアッパーカット , Thrust Uppercut) is one of three up special moves usable by Mii Brawlers in Super Smash Bros. Ultimate. It serves as a replacement for Piston Punch from Super Smash Bros. 4.
When used, the Mii Brawler performs a jumping uppercut that deals five hits in total, with the last hit occurring after the Brawler switches hands. That last hit deals moderate vertical knockback, being able to KO at high percents, especially near the top blast line. At high percents, it can combo from multiple up aerials as a KO combo, much like Mario and his Super Jump Punch. It grants the Brawler's arm brief intangibility from frames 3 to 7. Compared to the attack it replaces, Thrust Uppercut boasts a higher damage output and travels at a slight angle, which can make it considerably more useful for recovery, and it can even be angled to provide even more horizontal momentum. However, due to the game's new knockback mechanics, this trait can sometimes cause the recovery attempt to fail if the Mii is knocked offstage from behind, as the move will always be angled forwards depending on which direction the player is facing in.