Finger Vanishing Beam
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
Directory: Techniques → Offensive techniques → Ki → Energy beams
The Finger Vanishing Beam is a one finger version of the Vanishing Beam, first used by Super Boo to split Gotenks back into Son Goten and Trunks when their fusion time had almost run out.
Kid Boo used a variation of the Energy Finger Beam very similar to Super Buu's Finger Vanishing Beam to kill Alphans (as seen during a flashback) in an Anime filler, as well as to destroy planets in the episode "True Saiyans Fight Alone".