Synonyms for Walloping (same or very similar meaning)
WordNet sense 1 (a sound defeat):
debacle, drubbing, slaughter, thrashing, whipping, trouncingWordNet sense 2 ((used informally) very large):
humongous, thumping, whopping, bangingWordNet sense 3 (above average in size or number or quantity or magnitude or extent):
big, largeFrom the ODE community, based on WordNetadd/edit