Top Definition
Farting while getting a blowjob or rimjob. Named because Chicago is the Windy City.
What went wrong? I gave her a Chicago Surprise.
by Robbo75 January 21, 2009
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.

×