1 definition by SpencerN.

Twysteria

Mass hysteria caused by Twitter

Guy 1: "Dude did you read that tweet from Miley Cyrus last night?"
Guy 2: "No. What did it say"
Guy 1: "She told everyone that she had the swine flu!"
Guy 2: "Boy, I bet that caused some twysteria"

by SpencerN. April 29, 2009