Is a Northern Ireland based nickname for a person that can only be described as a very unique person. Such characteristics of this 'steeky' include: bat shit crazy (roller coasters the line between sanity & insanity), doesn't give a f**k, hysterical sense of humor and calls it like they see it.
"Look at Steeky over there, he just called that girl a slut. Man he really just doesn't give a f**k."
"That Steeky, she's a loose cannon."
"Steeky sure is a crazy mofo."