1. The act of hitting a golf ball from the teeing ground to start play on a hole
   "His teeoff on the first hole was straight down the fairway"

1. (golf) strike a ball from the teeing ground at the start of a hole
   "He teed off with a powerful drive down the fairway"
    
2. [informal] Begin or start (an event or activity)
   "The festival tees off with a parade"
    
3. [N. Amer, informal] Make angry or irritated
   "His constant complaining really tees me off"

Derived forms: tees off, teed off, teeing off

Type of: golf shot, golf stroke, play, swing