General Definition: 1. The act of pressing down on a flick-switch with your thumb, or any thing or action directly or indirectly associated with this, such as a biro, stopwatch, or cigarette lighter. As a Noun: 1. A small device which produces a flame that you can light a cigarette or pipe with. English = cigarette lighter. 2. A pen with a retractable small metal ball at its tip. English = pen, biro. 3. A watch with buttons which you press at the beginning and end of an event, so that you can measure exactly how long it takes. English = stopwatch. As a Verb or Adjective: 1. To operate a small device which produces a flame that you can light a cigarette or pipe with. 2. To operate a retractable pen or biro. 3. To operate a stopwatch.