The phrase you provided seems to be a specific search string for fan-made content or a specific mod for the character Tifa Lockhart from Final Fantasy VII , rather than an official game feature.
Because a massive amount of fighting game content and fan art originates in Japan, English-speaking fans rely on dedicated translation teams. An "English upgrade" ensures that menus, dialogue, or subtitles are fully accessible to a Western audience. ⚡ The Intersection of Gaming and Independent Art
Special Mechanic – Sour Meter:
Builds when she lands consecutive hits. At max, she enters "Citrus Overload" — her kicks leave slow-burning acid trails on the floor, and her throw becomes a "Sour Squeeze" (lemon juice squirt to the eyes). The announcer screams: "EXTRA SOUR!"
