VBS is an acronym for verbal bitch slap. It is most commonly used as a verb.
To tell off an individual using a
professional tone, correct
grammar and big words. Also inflicting some kind of emotional pain that is surprising to the individual getting VBSed. Basically laying it down in a
way that cannot provoke a hostile response, yet puts the individual into their place in an eloquent fashion. You've been lawyered and there is no words that can fight back.