Grappling Ki Blast is an attack used by Super Android 13.
Super Android 13 grabs his opponent, punches them, and then he fires a red Ki Blast at the opponent's face, blasting them away. Super Android 13 uses this attack against Future Trunks when the latter buys time for Goku to create a Spirit Bomb.
Appearances in games
This attack was named in Dragon Ball: Raging Blast 2, where it is Android 13's signature attack in both his base and Super forms. In Dragon Ball: Xenoverse, Android 17 possesses a similar technique called Smile Charge.