To summarily dismiss a suggestion of something to do/eat/listen to/etc. Ususally used when the suggestion is distateful to the vetoer.

On halo when you dont like a map you Veto or get rid of it

when your friends are refusing to full send and go out that night so you call a veto. The veto means you HAVE to go out or be permanently shamed for the rest of your life, as well as lose your veto privileges in the future.

a harsh way to say NO or a way to reject harshly by implementing NO

An angry movement toward a thing or style of extra, bad or dirty. Usually, veto, is used by word take+ a, at before of it.

To bring embarassment to, or show ones superiority of

The act of vetoing a map on Halo 3 when the timer is at zero seconds. Originally coined by Proto and Travitch.