GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Slog (slŏg), v. t. & i. [Cf. Slug, v. t.] To hit hard, esp. with little attention to aim or the like, as in cricket or boxing; to slug. [Cant or Slang]
   
   [Webster 1913 Suppl.]
   
   
         
       

2.       
   Slog (slŏg), v. i.
   1. to walk heavily; to plod; to walk through resisting terrain, as in mud.
   
   [PJC]
   
   
   2. To work steadily and ploddingly; to toil.
   
   [PJC]