The definition of a Twitch : A chick that has intentions on turning friends or family members against each other so that in the end she gets exactly what she wants and no one is in the way to stop her.They're really good at controlling men.But in the end the Twitch doesn't know what she wants, and when shes done draining the fun out of the man she loves, she eventually leaves him. In result he has nothing and no one to talk to anymore. Bell Biv DeVoe tried to explain this in there song Poison.With the famous words "NEVER TRUST A BIG BUTT AND A SMILE"
Thomas : Since Jason has been dating Jessica he hasn't spoken to us in months, I wonder why ?
Carl : Shes hot, but most likely shes a Twitch and shes telling him awful shit about us
(3 Weeks later)
Jason : I should have never listened to that girl now I have nothing.And no one wants to talk to me.