You will never get a clearance of "hold South of the 180 Radial".
The clearance will be Hold South of the XXX VOR on the 180 deg radial.
So the inbound leg of the hold will start South of the VOR with you proceeding north on the 180 Radial toward the VOR until you cross it. At this time you will turn right to head back south, fly for for one minute and then turn North again to pick up the 180 radial in bound to the VOR until you cross the VOR and then repeat as necessary.
I have described the simplest possibility, a direct entry to a standard hold with no wind present,
You can't hold North of the VOR on the 180 Radial, as the 180 deg radial is by definition on the South side of the VOR.
It would appear to me you still are having a bit of trouble fully understanding VOR orientations. I would suggest you first review the VOR basics before working on holds.