Calvin snatches it away and drinks greedily through the straw. When he's finished, he puts the glass aside and gasps for breath.
"Having been sucked through a wormhole into a bizarre dimension, Spaceman Spiff encounters an odd alien. He is covered in tentacles and unsightly boils, but explains to Spiff his people's odd way of obtaining sustenance. Little does the alien know that Spiff is aware of his involvement in our hero's kidnapping and is planning revenge and escape."
From the faraway look in Calvin's eye, he is neither aware of his surroundings nor of the fact he's speaking aloud.