A phrase that consists of a verb with a preposition or adverb or both, the meaning of which is different from the meaning of its separate parts.
Phrasal Verb:
tee off
Meaning / Example:
1. to start the first hole in a game of golf. > It's time to tee off. Let's get on the course. > What time do we tee off?
2. to begin [doing anything]; to be the first one to start something. > The master of ceremonies teed off with a few jokes and then introduced the first act.