Bate

v.

Heard in Limerick, Mayo, Laois, Longford, Offaly, Sligo, Dublin and Down

To physically thrash, defeat decisively, or beat someone.

In use

Say dat again and I'm gonna bate you lik an ass!

Posh English

Utter that once more and I shall thrash you soundly like a stubborn donkey!

Same phrase, other counties