Blazer+Jeans+being Jewish=Blazin Jeanerstein
This term was originated by the singer of Baltimore metal band Rest Among Ruins.
Garrett: "Of course dude! How else would I blaze vajeeners!?"
Mike: "Dude, are you blazin jeaners later?"
Some Jabroni: "Nah man, I think I'm just sportin my Towson hoodie. Maybe some other time when I'm not a Jabroni."