A sewer rat does better than this to protect her offspring.
"She was shot to death and lay in the gutter for five hours, being chewed by sewer rats."
But the way you smell could turn the stomach of a sewer rat.
It was said that, at times, some of the sewer rats pitted against him were his equal in size.
They'd have to do it the hard way, hunt them down through the night like the huge cunning sewer rats they were.
Home, sweet home, especially if you happen to be a sewer rat.
"Out here you kick every barrel, because it's full of sewer rats."
The pair of gray sewer rats had rolled on their backs.
He was smarter than the average sewer rat and twice as ruthless.