mad beers - the number of beers it takes before you're too drunk to know

the number of beers it takes before you're too drunk to know your own name and start talking nonsense.

I had 8 mad beers and told the waiter I was a superhero.

After 7 mad beers, I tried to explain quantum physics to my sister.

I drank 11 mad beers and told the bar I was going to buy it.