Unknown subject. (Used often in TV and films dealing with crime.)
Our unsub is most likely a white male in his mid 30s, with a penchant for Star Wars action figures, and chocolate milk-type beverages.
by Ted Strong January 01, 2006
The unsub left footprints in the dirt outside the window.
by Hal Barker December 02, 2005
Short for "unsubscribe." Can be used when you unsubscribe from an email list or an RSS feed.
I chose to unsub from Robert Scoble's twitter feed. he was totally spamming!
by Chuck Jennings July 23, 2008