While one is snowboarding, they feel the sudden urge to jib the closest thing to them wether it be a tree or a four year-old's snowboard while he is sitting down. It is a very serious and very common disease among people who have an excess amount of steeze.
"Yo dude, I just did some serious premature jibulation on this chick's face"
A term used in skiing/snowboarding. To jib (to do a trick/stunt on skis or a snowboard)
Jibulate can also be used as an adjective in describing something well skied