Top Definition
1. (n., archaic) A synonym for a white-noise generator.

2. (n.) A sleeping surface used by musicians, writers and other broke-ass twenty-somethings consisting of whatever blankets, cushions and pillows (no mattress) they can afford stuffed into a pile in the corner of a room of their apartment, as they are unable to afford a bed.
1. I can only sleep when you're gone if the sleep machine is set to waterfall, Rico.

2. Well, it's 5 AM and I've done nothing productive, time to crawl into the sleep machine and be depressed until I fall unconscious.
by Allen Wren November 18, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.