A phase used to express your realization of someone's insanity. It originated from a joke, when you ask the bar tender for the strongest drink they have, then you hear someone saying something so crazy he must be drunk, so you tell the bar tender you'll have what he's having.
Frank: I think the reason cats always land on their feet is because they can control they're own gravitational pull.
Me: I'll have what he's having.
Me: I'll have what he's having.
by Nughuff November 14, 2019