lacon - A laconic person is someone who talks like they’re in a hurr

A laconic person is someone who talks like they’re in a hurry and have no idea what they’re saying.

'What’s wrong?' 'Nothing.' 'Nothing? That’s your answer? What’s wrong?' 'Nothing.'

'What’s the deal?' 'I’m tired.' 'That’s it? You’re tired? That’s your whole deal?'

'Do you want to go?' 'No.' 'Okay, then why did you ask?' 'I don’t know.'