Urban Dictionary: unsub

2.	unsub
	A slang acronym used in law-enforcement meaning "Unknown Subject Of An Investigation". The unsub left footprints in the dirt outside the window. buy unsub mugs & shirts suspect perp perpetrator subject victim un sub un-sub by Hal Barker Dec 2, 2005 add a video
1.	unsub
	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. buy unsub mugs & shirts criminal profile investigation background research mystery by Ted Strong Jan 1, 2006 add a video
3.	Unsub
	Brian Gordon unsub, unsub, unsub!!!! buy unsub mugs & shirts unsub unsub1 unsub2 unsub3 unsub4 unsub5 by Unsub2574855 Mar 18, 2011 add a video

4.	unsub
	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! buy unsub mugs & shirts geek email twitter feed tech by Chuck Jennings Jul 23, 2008 add a video
5.	Unsub
	a best friend anyone can ever have.. Unsub, buddy you're awesome!! buy unsub mugs & shirts by Rozana Mar 8, 2005 add a video
6.	Unsub
	the wickedest friend anyone can ever have Unsub, buddy you are AWESOME!! buy unsub mugs & shirts by Rozana Mar 8, 2005 add a video