to hit hard, as in boxing or cricket; slug.

to drive with blows.

to deal heavy blows.

to walk or plod heavily.

to toil.

a long, tiring walk or march.

long, laborious work.

a heavy blow.

verb

bear down * , buckle down * , drag , drudge , flounder , grind , labor , lumber * , plough through , plug , schlepp * , slave , stomp , sweat * , toil , tramp , trample , trudge , slop , wade , grub , plod , bash , catch , clout , knock , pop , slam , slug , smash , smite , sock , strike , swat , thwack , whack , wham , whop