Polies have much more attitude than McMurdoites. […] Where a McMurdoite would simply turn and leave a conversation that didn't interest him, a Polie would blatantly change the subject or challenge the entire premise of the discussion.
Source: wiktionary
“When Polies see the red coats come off the plane, we think they're not real Antarctic workers. We see McMurdo as a luxury resort. We think we're tougher and want the people from McMurdo to see how cold it is and how much ice we have […]
Source: wiktionary
[…] there have been many attempts to do biological and psychological studies on wintering Polies, to see how a genuine Moon base might play out, or one on Mars.
Source: wiktionary