Good Morning New Years Day Birds!
ChatterBank4 mins ago
No best answer has yet been selected by mpela1. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.The idea of the 'knuckle' has been used to suggest a 'limit' of one sort or another since the 1500s. One writer back then spoke of English soldiers being "up to the knuckles in French blood".
The use of 'near/close to the knuckle' to suggest risqu� jokes etc did not appear until the 1890s, the height of the supposedly prudish Victorian age.