verb / noun
ramble
RAM-bul/ˈræmbl/
To wander without following a definite route.
The walker rambles across the meadow, leaving a looping trail of footprints.

Etymology
Middle English ramblen described leisurely wandering. The same image came to describe speech or writing that wanders from topic to topic rather than following a clear course.
In context
the most common mistake is to ramble you're nervous and you're put on the spot and so you just keep talking and talking without any structure
More examples
- Our afternoon ramble takes us past several quiet ponds.
- They rambled around the old neighborhood without a destination.
- He rambles from one topic to another without finishing his point.
Forms
ramble · rambles · rambled · rambling
rambler noun — Someone who wanders on foot for pleasure.