1
general::
noun strong hit VERB + BASH give sb/sth | get PREP. on She got a bash on the head. party ADJ. big | birthday, charity, farewell VERB + BASH give, throw They're throwing a big bash to celebrate their anniversary., verb ADV. hard She bashed him so hard she broke his nose. PREP. on Someone bashed him on the nose. | with She bashed him with her book. PHRASES bash sb about/up He had been attacked and bashed about a bit.
Oxford Collocations Dictionary
2
general::
bash on
UK informal
to continue doing something that is difficult, boring or takes a long time
• Oh well, that's enough chatting. I suppose I'd better bash on with this essay.
Cambridge-Phrasal Verbs