The act of speaking without discretion at length to an uninterested audience resulting in discomfort, annoyance, and/or discontent. yap derives from the
annoying bark produced by small
dog.
many other terms or "portmanteaus" incorporate "yapping"
Yapanese: when someone yaps so much they appear to no longer be speaking English
Yapathon: when a person yaps so extensively they could have ran 42 km or 26 miles during their tangent
Yapghanistan: to yap so much that it could be considered as an act of
terrorism
Man 1: yes so my daughter just got a good VCE result i'm so proud next week the
wife and I...
Man 2: okay
buddy quit yapping this ain't yapghanistan here we speak English not yapanese, now beat it
pal!