What is Skt1?
1.
Short for South Korean Telecom1, a
It also means SKT1 push in Starcraft: in TvP, the
The purpose of this push is to harass or delay the Protoss's expansion, or force Protoss to build more defenses so that Terran can nullify Protoss's economic advantage or even establish its own.
SKT1 push used to kill every fast-expand Protoss.
See