trounce 
/ˈtraʊns/ verb
trounc·es; trounced; trounc·ing /ˈtraʊns/ verb [+ obj] : to defeat (someone or something) easily and thoroughly
▪ Their opponents trounced them in the final game. [=their opponents won by a large amount]
▪ Their opponents trounced them in the final game. [=their opponents won by a large amount]
