A condition in which one suffers from overwhelming body spasms, the constant metamorphosis of hair on ones head, tourettes-like yelling and random changing of your vocal characteristics
Billy: did you see Tom at the ITunes festival yesterday? He looked crazy, what was wrong with him?
Jake: he was suffering from an insane case of Linkin Parkinson's Disease.
The act of licking or having felt the roof of a mouth that does not belong to you for the first time. If you have made out before this does not necessarily mean that you are not a mouth roof licking virgin, because the roof of the mouth is not generally the designated target for the tongue.