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"