Rude Buster is Susie's signature attack in Deltarune, the episodic role playing game created by Toby Fox and first released in 2018. During the move in Chapter 1, repeatedly pressing Z as the attack travels increases its damage, which players quickly turned into a frantic spam technique. Clips of the boosted version spread through gaming communities and soundboards because the effect is instantly recognisable to fans. It remains popular for edits where a single hit needs to feel like a finishing move.
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Susie's Rude Buster attack from Deltarune, boosted by spamming Z for extra damage, used for powerful hits, boss fights, and gaming meme edits.
This clip captures Susie's Rude Buster from Deltarune, the heavy axe wave attack made stronger when the player spams Z during its animation. The sound is a sharp, rushing slash layered with a deep impact burst that feels much bigger than a normal hit. In the game it signals a boosted strike landing at full power, and online that same punch makes it perfect for exaggerating damage. It lands as a quick, satisfying payoff, turning an ordinary action into something that looks and sounds overwhelmingly strong and decisive.