Although some people believe that junx is a noun, junx is really much more than just a noun. Junx can be a noun, but it is really an expression used to express surprise, sorrow, or excitement.
girl 1: MY WALLET GOT STOLEN
girl 2: juuuuuunx!
girl 1: I saw her all up on my boy and I was like... "juuunx!"
girl 1: mmmm. cheetos.
girl 2: pass me some of that junx!