Blast Fist
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Directory: Techniques → Physical techniques → Martial arts → Rush attacks
The Blast Fist (爆砕拳, Bakusai-ken) is a rush attack used by Son Goku.
Usage
Goku delivers a powerful uppercut, causing explosions in its path and inflicting a large amount of damage.
History
Very little is known about the Blast Fist, but it is thought to be a much weaker and cheaper version of the Dragon Fist since it possesses the same colors. It has neither appeared in the anime nor the manga.
Video games
Blast Fist is named in Super Dragon Ball Z.