Premature Celebration (GIF)
The number one rule in any sport is that you always play hard until the end, whether that end is marked by a whistle, buzzer, bell, or checkered flag. So with that being said, it appears as though this guy has a lot to learn about the sport of moto racing.
Lesson number one: Always be aware of how many laps are remaining in the race. Obeying this rule should help you avoid looking like a jackass in the future.