They all came about at
this session after many HP's in the QP (being the Qantas Pub of course).
As well as WP and SG we have PS and NB status. These terms are in no way meant to be derogatory or demeaning. Its just the Aussie way of paying out on each other in the most friendly of manners.
Now that you know the WP and SG meanings, have a go at the PS and NB acronyms and see how you get on.