Verb. To jib. Jibbing. The act of manuvering a bicycle, skateboard, snowboard or skis in tricky manner on top of and around a structure such as a stump, rocks, stairs, railigs, rooftops, etc. When you are playing around, showing off, jumping, flipping, hopping, etc you are jibbing.
Jib is a word that can be used in place of any noun or idea in the event that using the actual word for the noun or idea is inconvenient or undesired for any reason.
Did you get the jib I asked for? Yeah, I put it on the list and I got it at Von's today.