Sigma is the eighteenth letter of the Greek alphabet. However in 2010, “the ‘sigma male’ term was coined by the far-right ...

As American kids head back to school ... It can also be used as a way to start a joking conversation in reference to absurd ...

In current teen slang, 'beta' sometimes means a weak person. But that doesn't mean parents of Generation Beta kids should worry ... the order of the Greek alphabet, with no other motives.