illyside 

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!

illyside by AsianInvasion May 24, 2005

Illside 

The Illinois side of the Mississippi river, East Saint Louis, Washington Park, Fairmont City, State Park

yo man, lets hit up the Illside for a lil while

Illside by SPHoosier July 24, 2009