To amble without real aim, yet in a friendly and harmless manner. It's not required to acheive nothing, though it is a frequent side effect. Bimbling can be made a little more business like with a slight hunch of the shoulders.

Briefly, "the realization that each random passerby is living a life as vivid and complex as your own." Originally from the Dictionary of Obscure Sorrows, which has a lot more beautiful neologism definitions like this you might enjoy.

to go on an aimless wonder across barren wastelands, usually a biff at some point.

To go out for a ride on a motorbike, anywhere, having fun.

One of them things what doesn't work anymore.

also:

The condition of being one of them things what doesn't work anymore.

to blow gently onto a girls clit

A combination of the words "big" and "nimble", usually used to describe a person who is rather large, but is still light on their feet to an impressive degree, most of time it involves said bimble dancing