To strike with a heavy, crushing blow: The thug bashed the hood of the car with a sledgehammer.
To beat or assault severely: The police arrested the men who bashed an immigrant in the park.
Informal To criticize (another) harshly, accusatorially, and threateningly: “He bashed the . . . government unmercifully over the . . . spy affair” (Lally Weymouth)
intransitive verb
Informal
To engage in harsh, accusatory, threatening criticism.
noun
Informal A heavy, crushing blow.
Slang A celebration; a party.
derivatives
bash́er
noun
The American Heritage® Dictionary of the English Language, Fourth Edition