V.A.T.S.

Also see: V.A.N.S.
Vault-Tec Assisted Targeting System used in Fallout Games.

Person 1: I Can't hit him!
Person 2: Use V.A.T.S., dumbass.

by MISTER S.P.E.C.I.A.L. April 20, 2020

V.A.T.S.-ing

A term used simply to say that you are going to go blow some guy's head off in Fallout 3.

"Hey, i'm gonna go V.A.T.S.-ing near Galaxy News Radio, be back around 5."

by maxatron January 11, 2009