Burst Bomb
From Inkipedia, the Splatoon wiki
Burst Bombs are a type of Sub Weapon in Splatoon. It's appearance resembles a grenade rather a bomb, due to a Grenade's handling
Inspiration
It is more likely inspired by a Grenade, due to it's joints. It's center resembles a Time Bomb, while it's purpose is for a Bomb.
Description
Burst Bombs appear to be spherical balloons filled with ink that explode on contact. They use less ink than Splat Bombs, and therefore cause less damage.