1788 F. Grose (ed. 2) Gamon and Patter, Common-place talk of any profession; as the gamon and patter of a horse dealer, sailor, &c.
1789 G. Parker xiv. 135 What's all this gammon and patter about?
1822 May 70/1 Our lucubrations are most especially intended for the benefit of those provincials who are not sufficiently awake to the gammon and patter of the long town.