slug away (at something)(redirected from slugging away at something)
slug away (at something)
To continue trying or working diligently (at something); to plug away (at something). I'm really not very good at math, but I've got to keep slugging away if I want to get into an engineering program. John's been slugging away at the new project, but I don't think he's enjoying it very much.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.