shark fin
Mountain biking terrain feature with specific technical meaning
A mountain bike feature leading into a jump with a lip at a 45 degree angle. Leads to a sideways jump and requires the rider to twist his bike mid-air to prepare for the landing. The feature sticks out of the ground like the fin of a shark that's crossing the trail.
Rider 1: Dude, see me send the shark fin?? Rider 2: Totally. That was sick, bro!
Also in the dictionary
- shark fin in construction