Noseslide: sliding the underside of the nose end of a board on a ledge or lip.
Video Attraction: How to Frontside noseslide
It is not to be confused with a Fakie ollie (which is an ollie where the rider uses his/her original foot position but riding backwards). (wikipedia)
Skateboard Trick Tips Video: Nollie 360 Flip
Grind: scraping one or both axles on a curb, railing, or other surface, such as:
Longboard specific trucks are a more recent development. A longboard truck has the king pin laid at a more acute angle (usually between 38 and 42 degrees) to the deck, this gives a lesser degree of turning for the same tilt of the deck. This adds stability and allows riders to go much faster while still maintaining stability and control.
Source: wikipedia