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]
(..) Our performer's on his way. It's a new one for me, obviously. I wouldn't normally... You know. You seen any of my films? No. I'm pretty trad... bish, bash, bosh. In, out. What do I put on the invoice? That's what I'm wondering. There won't be any invoicing. Oi-oi, Rod! (..)2011 TvShow: Black Mirror Title: The National Anthem Season: 1 Episode 1