plug along

"I don't see how they can plug along on foot that way," volunteered Jack on the third day.

So they think that Barlow,—old-fashioned, plug-along Barlow—is the only real competitor in the town?

When you never step off the beaten path, just plug along day by day, people ask you to do such terrible things.

"Jes' fr'm th' Falls, Ah think y' said," began their father, hunting his tobacco plug along the mantel.

Perhaps it was just for this he'd let Jason plug along on a cold trail all these years.