Intense stroking of one's member usually in an inappropriateenvironment such as public, someone elses room, or in the presense of a friend not to be confused as a significant other.
The act of getting absolutely and irrefutably filthy, dirty, sick, nasty, balls deep in complete and overwhelming scunionisity. Composed of sick + crazy + onion.
Pronounced : Scun - yun
Person 1 : "Hey you getting scunion tonight or what?"
Person 2 : "For sure, scunion better recognize."