people, particularly males between the ages between 20 and 30, that camp outside of wal marts or other stores so they can get the copy of Halo 3 before anyone else. usualy has no life except for video games, but there are exceptions. never mind, there aren't.
Alex: Hey, are any of you guys wal mart campers?
Ben: I'm not, my mom wont let me. I'm goin to watch the Halo 3 special on G4 though
Alex: Aw, me too. lucky wal mart campers, stupid school.
derived from the roman numerals xxx, meaning both 30 and porn. came around in the 21st century when members of the GPK needed code words to get past their parents. also makes it more comfortable to talk about porn.