A person who is on the edge. A person who seems capable of turning into Jason from "Friday the 13th" at any moment.
by Marissa G. July 15, 2006
There's always that one guy that you work with who is socially retarded, so you try and stay on his good side because you have no doubt that one day he will show up to work and go postal.
by kenneth ward March 14, 2011
by Carlos Newson a.k.a. Celow June 28, 2003