1. Yelling "Fire" is not an offense. Especially if there is a fire, but even if not. 2. If you cause damage to property, you may be liable - especially if you

1. Yelling "Fire" is not an offense. Especially if there is a fire, but even if not. 2. If you cause damage to property, you may be liable - especially if you do so for no reason as opposed to eg escaping a burning building. (2) is not dependent on some special word you have to shout. If you shout "Ah robotic snakes!" (falsely) and cause damage to people and property, then you have in fact caused damage to people and property. You will probably need to atone for that.