pAArty animal
a person who guzzles beer like it's their last day on earth but stays sane enough to laugh and not end up in the trash can
I drank 10 beers and still danced like a flamingo. Party animal for life.
He drank the whole keg and still knew my name. That’s a real party animal.
I vomited on the floor but still had fun. That’s what a party animal does.