SLEDGEHAMMERING
Scrabble letter values: S1L1E1D2G2E1H4A1M3M3E1R1I1N1G2 = 25
Definition
SLEDGEHAMMERING is the present participle of SLEDGEHAMMER.
noun SLEDGEHAMMER: a heavy long-handled hammer used to drive stakes or wedges.
Synonyms of SLEDGEHAMMER: maul, sledge