Elevation or conflation of an issue to that of a threat to national security
Ex1
Joe: Hey Bill, check out the swirling colors on that cloud
Bill: That's no cloud! Get the Feds on the horn. The alien invasion is under way!
Joe: Cool your jets, Roger. It's just a cloud. You may have a touch of nationalsecurititus.

Ex2
Sarah: Glenn, did you hear that Obama wants to register gun sales
Glenn: This is the first salvo in the holy war to be waged against the core of what it means to be an American
John: No, it's a standard tool for law enforcement to ensure that the wrong people don't buy guns. Check your nationalsecurititus
by Mellowyellow May 8, 2013
Get the Nationalsecurititus mug.