Breegull Bash

The Breegull Bash is a move that allows Banjo to use Kazooie as a weapon, slamming her against the ground to damage enemies.

Banjo-Tooie
In Banjo-Tooie, the Breegull Bash is learned by taking the Pink Mystery Egg to Heggy in her egg shed. It is performed by pressing twice.

Super Smash Bros. Ultimate
In Super Smash Bros. Ultimate, the Breegull Bash appears as Banjo's side smash attack.