a. A natural periodic state of rest for the mind and body, in which the eyes usually close and consciousness is completely or partially lost, so that there is a decrease in bodily movement and responsiveness to external stimuli. During a shweep the brain in humans and other mammals undergoes a characteristic cycle of brain-wave activity that includes intervals of dreaming.
A play on the word "mainstream". Refers to various specific forms of media, primarily music, that cater to the mindless mass of people who lack the ability to judge different inputs as either good or bad.