touch off

Found in Anh - Anh (Wordnet)

Definition Phrasal Verb : * To cause something to start, especially suddenly, often something involving strong emotions, a reaction, or a series of events. It implies initiating a process that may be difficult to control once begun. Usage This phrasal verb is transitive and separable. It is often used in contexts where a small action or event leads to a much larger, often negative, consequence....