About
Twitch Sandwich Challenge was developed when people got hungry and wanted to make a referential game challenge.
Origin
It is a quote from a character in League of Legends. It happened one day when people noted Twitch wanted a sandwich. His quote being: “I demand a sandwich!” His quote: "I demand tribute also played a part in it. This lead to certain fans attempting to make sandwiches based of team death or kills. The amount of kills or deaths is proportional to the sandwich(es). (One sandwich or layer for a kill or death.)
Spread
The phrase is mainly a League of Legends phrase and has yet to be seen out of the game fan base.