bashing, basting, battering, batting, beating, belaboring, belting, birching, bludgeoning, buffeting, bunging up, clubbing, currying, doing, drubbing, fibbing(British), flogging, hammering, hiding, lacing, lambasting, lashing, lathering, licking, mauling, messing (up), paddling, pelting, pounding, pummeling(also pummelling), punching out, roughing (up), slating, slogging, switching, tanning, thrashing, threshing, thumping, tromping, walloping, whaling, whipping, whopping(or whapping), whupping, working over

assailing, assaulting, attacking, besetting, boxing, busting, chopping, clobbering, clouting, cracking, cudgeling(or cudgelling), cuffing, descending (on or upon), hitting, jumping (on), knocking, lamming, laying on, pasting, pouncing (on or upon), punching, raiding, rushing, slamming, slapping, smacking, smashing, socking, spanking, storming, swatting, swiping, thwacking, whacking, whamming, whompingblackjacking, caning, cowhiding, flagellating, fustigating, horsewhipping, leathering, pistol-whipping, rawhiding, scourging, strappinggoring, lacerating, woundingmaiming, mangling, mutilating

beating up on