the real Mr. Sampson's definitions

Voice Imogilation Syndrome (V.I.S.)

Someone who is unable to control the volume or tempo of their voice.

girl: what is wrong with your voice?
Will Ferrell: I have Voice Imogilation Syndrome (V.I.S.), because of this I am unable to control the volume or tempo of my voice.

by the real Mr. Sampson December 26, 2009