Noun. A portmanteau of "sushi' and "sewage" which makes no sense. Yypically used by youngsters around the
Boston area to describe the contents of the
New York/New
Jersey border region or anything of an unfavorable nature.
"Yo did you go to the cafeteria today?"
"Yeah what was with that, it tasted
like burnt shushage"
"I heard there's a lot of shushage on the border of
New York and New
Jersey"