newspapers that use their editorial pages to 'bash' [=harshly criticize] the president
The children are 'bashing away' [=('US') 'banging away'] at their homework.
groups accused of gay 'bashing' [=criticizing or attacking gay people]
(..) for participating in our drill. Had this been an emergency, you'd have been eaten. Because you don't listen. You're ignorant. How a man gonna bash through...? That's the problem with New Yorkers. "We've seen it all. A -foot worm! Save us, Mr. Black Man!" I ask you nice, " Move to the next car." (..)2002 Men in Black II