trounce
trounce \'trau.n(t)s\ vt [origin unknown] : to thrash or punish severely : as : FLOG, CUDGEL : to defeat decisively
Webster's English Dictionarytrounce \'trau.n(t)s\ vt [origin unknown] : to thrash or punish severely : as : FLOG, CUDGEL : to defeat decisively