bash

Concise Oxford English Dictionary © 2008 Oxford University Press:
bash /baʃ/ informal

▶verb

• 1 strike hard and violently.

• 2 criticize severely.

• 3 (bash something out) produce something rapidly and carelessly.

▶noun

• 1 a heavy blow.

• 2 a party or social event.

• 3 Brit. an attempt: she'll have a bash at anything.

– derivatives
basher noun.

– origin C17 (as v.): imitative, perh. a blend of bang1 and smash.