Happens when an extremely attractive girl begins flirting with you. You suddenly become terrified, and the girl becomes far less attractive.
Drew: Man, last night Holly started flirting with me, but for some reason I couldn't stop thinking how awful she looked.
J.D: Hahaha! Sounds like you have a bad case of the Kasey Syndrome!
J.D: Hahaha! Sounds like you have a bad case of the Kasey Syndrome!
by crdoodert July 5, 2012
Get the Kasey Syndrome mug.