Sandvich comes from Valve's Team Fortress 2, where the Sandvich is an unlockable edible item for the Heavy class that restores health. Valve promoted it in the 2008 Meet the Sandvich short, which built jokes around the Heavy's obsessive love for the snack. The misspelled name, taken from the Heavy's accented pronunciation of sandwich, stuck with players and spread through forums, videos and soundboards. It remains a staple TF2 reference because one word captures the character, his accent and the game's humour.