"The axe the Ox-King had when he lived on Mt. Frypan."
Ox-King's Axe is a large axe that was wielded by Ox-King while living on Fire Mountain with his young daughter Chi-Chi. It is quite large by most people's standards as its axe-head is larger than 16 year old Bulma's head, it is basically normal sized axe in comparison to its wielder.
Video Game Appearances
The Ox-King's Axe was named in Dragon Ball Xenoverse 2 where it appears as a non-functional accessory they can be worn by the Future Warrior which can be purchased from the Accessory Shop in Conton City after completing the main story.