(s-ka-pa-chu-na) It is a noun, adjective, and verb. Used when either not knowing what to say or not wanting to use a bad word. You can use it in any sentence, in any way that you want. Usually when frustrated.
"Hey! Can you hand me that eskapachuna?"
"You're being a real eskapachuna, knock it off!"
"I'm gonna go eskapachuna, be right back."