Those ethnic groups which reside in the jurisdiction of recognized nations rather than having an independent state of their own. Fourth-world peoples are excluded from positions of power in those governments, and frequently have de facto if not de jure status as second-class citizens or worse.
The Palestinians, Kurds, and Roma are all examples of members of the Fourth World.
The seductive pose assumed by a woman who would otherwise be topless except for covering her breasts with her hands. Often used as a 'substitute' for swimwear or lingerie or in photos of topless models without too great a risk of being censored.
Can also be applied to men with manboobs who assume the same position.
Adult magazine covers with handboobs are a real tease.
To correctify something means to obsessively nitpick over details which in the pointy-headed purist's mind are so torturously annoying that he can't help but speak up about it. The significance of such details, however, is pure truthiness.
A behavior commonly associated with period nazis in the SCA and other medieval-recreation societies and LARPs.
Madus as they are used in the Amtgard LARP are hardly recognizable as "actual" madus, yet you'll often see players correctifying each other about what "real" madus should look like.