The user focuses their ki into their fist and charges toward the opponent with a ki-enhanced punch which can cancel out weak Ki Blasts as they charge toward the opponent.
It was first used by Yamcha against Recoome during their fight in Other World and was strong enough to knock the elite mercenary off King Kai's Planet and into Hell proving that Yamcha had become stronger under King Kai's tutelage.
Video Game Appearance
It is called Yamcha Vigor in the Dragon Ball Z Collectible Card Game.
"Charge with ki focused in your fist. Cancel out weak ki blasts as you run."
Ki Blast Thrust was first named in Dragon Ball Xenoverse and appears one of Yamcha's Super Skills. In the GT Pack 1 DLC, the Future Warrior can learn it during Yamcha's training as the Warrior's Master.
"Perform a charging melee attack on the opponent and destroys weak Ki Blasts along the way. While this is a charging attack, its power increases with points in Ki Blast Supers."
— Dragon Ball Xenoverse 2 Tutorial Description