Saying something is on the illyside means that something is greater than life itself. Illyside could be considered the white version of the saying something is off the "heezy."
Holy douche of america, that jump was off the illyside!
by AsianInvasion May 21, 2005

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.

×