Southwest Airlines equivalent of SSSS (see previously accepted definition highlighted) . Upon receiving the checkerboard you have to go through extensive secondary security screening because of pre-selected criteria.
Due to me flying one-way, I was given the checkerboard treatment by Southwest. Now I have to go through extensive security before the flight.
Like a Pressed Ham. The bare buttocks is placed against a chain-link fence.
by anonymous Mar 7, 2003 add a video