FOOTSLOGGING
Scrabble letter values: F4O1O1T1S1L1O1G2G2I1N1G2 = 18
Definition
FOOTSLOGGING is the present participle of FOOTSLOG.
verb FOOTSLOG: walk heavily and firmly, as when weary, or through mud.
Synonyms of FOOTSLOG: slog, plod, trudge, pad, tramp