What does gamabunta mean in Japanese?

In Japanese, "Gamabunta" is the name of a character from the popular anime and manga series Naruto. Specifically, Gamabunta is a giant toad known as the "Boss Toad" or "Giant Toad Boss." He is a powerful summon that the main character, Naruto Uzumaki, can call upon in battle to aid him with his immense strength and abilities.