Unicorn blood is too cruel. Angels should get drunk on something beatific, worthy of the Greek gods....

Something regular mortals couldn't consider a liquid.

"Technically, it's what's your physicists call proto-particle GLX, which you can occasionally producer with a particle accelerator here on earth...."

Sam's eyebrows raise. "Angels drink ... proto-particles?"

"Well, we refer to it as moonshine. Or stardust, more commonly."

"Heh. You angels are a bunch of geeks. 'Let's have a sip at the ol' particle accelerator.'" Dean snorted.