The name given to the first urination of the day. The Borthwick is the opposite to a Chadwick, which is the last urination of the day.
by the Alderman August 30, 2017
The name given to the final urination of the day, usually before going to bed. Often referred to in relation to it's weight - a heavy Chadwick is considered more manly to a light Chadwick.
by the Alderman August 30, 2017