What is this tree-thing? We have a mystery tree-thing surrounded by our backyard (well, actually, it's...

We have a mystery tree-thing surrounded by our backyard (well, actually, it's surrounded by the field directly trailing the backyard, but whatever.) It doesn't acquire much taller than about ten foot, it has errant long black thorns all up and down its open to the elements body, and an acrid stench. I can't recall what it looks approaching in the spring or summer, but trust me, it doesn't really seize a whole lot prettier. Does anyone hold any idea what this article is, and how to kill it permanantly?
its a pinner park tree. I dont know how yuo get rid of it other by diggin it roots up.


well
idk wat it is but..............
whip ur shoes off and put it subsequent to the tree and the smell might kill it
or its call an ax or chainsawwwwwwwwwww
Answers:    During the dormant interval, fall/late winter