hair of the dog - A Scottish way of saying you’re hungover and you’re going to

A Scottish way of saying you’re hungover and you’re going to drink again. It’s like the hangover is a curse and the drink is the magic spell.

I had a hangover and I said, 'I’m going to drink again.' My friend said, 'That’s the hair of the dog.'

I woke up with a hangover and said, 'I need a drink.' My friend said, 'That’s the hair of the dog.'

I drank my hangover away. My friend said, 'That’s the hair of the dog.'