Fizzy Bomb

The Carbonate Bomb is a sub weapon in Splatoon 2. It appears to be a Bomb-type weapon, which can be charged up by holding down the fire button, increasing its power.

Trivia

 * The weapon's name could be a reference to carbonated soda. The charging animation shows the user shaking the weapon, similar to how soda cans, if shaken, can release a spray of soda if opened.
 * In addition, the weapon resembles a soda can, as well as M67 hand grenade.