When a person in a group of friends starts to like someone, many other people in that group also begin to like that person.
I liked Haley first and then all you guys started liking her. You all just have Spontaneous Group Infatuation Syndrome. You dumb pricks.
by Sleet October 05, 2009
9 Words related to Spontaneous Group Infatuation Syndrome

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×