The Blues Brothers #2 by RobinJRichards

Question 5

Before the Blues Brothers Band begins their show, John Candy's Burton Mercer character ad libs and orders three of THESE POTABLE ITEMS. There's never been a definitive explanation of what they actually are- some say it's alcoholic (which includes either rum and vodka), some say it's a soft drink once sold in the Chicago area.

Orange Whip