Definitions by TheWizardOfTheWoods

illinoising 

Used to describe a person who improperly pronounces 'Illinois' with the 's' sound at the end.

"Illinois is pronounced 'ill-in-oy', not 'ill-in-oys'. The way you're saying it makes you illinoising."

illinoising by TheWizardOfTheWoods January 11, 2017