as used in e.g. the Philippines for celebration wrapping-paper that promises so much at birthday and Christmas, to be eagerly torn off..
' This is the family Christmas morning ? The kids all back in their rooms and the Christmas tree surrounded by torn-up happy paper...?'
Paper that makes one happy, meaning money. aka mullah, dinero, etc.
Man, i really need some happy paper right about now.
AGH! that man stole all of my happy paper!!!!