1 definition by Samantha Rosalie
The feeling one recieve's when reading one of the Twilight novels. Heart palpitations, screaming, and shaking often occur. If one suffer's a twigasm, the only cure is to read on.
Person #1: Oh No! What's happening to Jan? Did that book do it?
Person #2: It's ok, she's just having a Twigasm.
Person #2: It's ok, she's just having a Twigasm.
by Samantha Rosalie December 3, 2008