Source: http://www.bbc.com/news/world-europe-29793696
The airport has become a symbol of Ukraine's fight against separatists, and the "cyborgs" are Ukrainians who have held on to it despite persistent rebel attack.
The nickname was first used online and has since become a media staple in Ukraine. It stuck, because to some the Donetsk airport defenders' exploits have appeared superhuman.
What does that actually mean?