The feeling you have in your stomach when you ate too much

While riding a bike down the hill, when you start to lose control and the front wheel shakes back and forth, sometimes causing a crash.

Wurble (or wurbling) (verb; noun) The act of softly and smoothly jiggling, in a slow rhythmic fashion.

Wurbling is considered cute and innocent, it is usually performed by slimes or done by plants (when blown in the wind)

vb. to speak clearly and articulately without making any sense whatsoever. Used extensively by consultants or ex-consultants. Frequently accompanied by movement of the arms and hands. See also 'arm waving'

Wurbling (verb); is a smooth movement, similar to jiggling. Performed by squishy, round, and usually soft objects.
It is an overly pronounced form of jiggling and is seen as both innocent and seemingly cute. Wurbling (to Wurble) is exhausting and not commonly done by humans. Which it shouldn't be done by.

To be in a momentarily state of fright, confusion and discombobulation.