3. Give out in Ireland commonly means to scold or complain: You can give out to someone, or just give out. It’s often intensified in different ways, e.g. He was giving out stink to them. (phrasal verb)
From Stan Carey's fun list
How is it used?
I heard this a lot - sometimes as a warning to drop a contentious subject 'Will you quit giving out about that now' - more often in amusement 'well he would never stop giving out about how much the loved the job - then one day he didn't turn up for work and that was the last we saw of him ....