To hit hard, esp. with little attention to aim or the like, as in cricket or boxing; to slug.
- To walk or progress with a slow heavy pace; plod: slog across the swamp; slogged through both volumes.
- To work diligently for long hours: slogged away at Latin.
- To make (one's way) with a slow heavy pace against resistance.
- To strike with heavy blows.
- A long exhausting march or hike: a slog through miles of jungle.
- A long session of hard work: an 18-hour slog in the hay fields.