away in a hack en · X
Etymology
See hack (“a hackney cab”).
Meanings
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(Ireland, informal) Doing well; embarked on a successful course of action.
Jimmy had said to me earlier 'the trick is to give them what they want' and it doesn't take long to work out that its laughs and tears, and if you can work a nice bust in a tight sweater in the story, you're away in a hack.
2014, Lee Dunne, A Bed in the Sticks: