Formal Logic Formal logic deals with deductive reasoning and the validity of the inferences produced. For an argument to work, the conclusion must logically follow the premises and the premises must be true.
Vibe is the aura a person possess. The kind of vibes that a person emanates depends on his feelings. Every feeling has a frequency or energy. If you feel good, happy or comfortable while meeting someone you say that the person emanates positive vibes.
When someone does something that screws with your present mood. Usually used when you are in a good mood and something/someone kills that. Brody: Dude, Mike shaved my hair!! Simon: That is such a VK dude!! #vk #mood #killer #vibe killer #vibe #not cool. by Mario900 November 25, 2007.