
Flag off
Event Initiation
Used to describe the ceremonial action of starting an event, often by a dignitary or official.
The mayor will flag off the annual parade.
Specific Actions
Typically involves a physical flag being waved to signal the start, especially in races.
Watch for the moment they flag off the grand prix.
Not General Use
Reserved for formal event beginnings, not used for casual or informal starts.
You wouldn't 'flag off' a friendly game of soccer.