Brass instrument
A sophisticated device that's used to collect water, which is usually recognized as saliva.
Failing to explain that the liquid isn't saliva, the brass instrument players were told to mop the floor.
oxidized brass instrument
When a male gets his anus tongued from behind while simultaneously having his meat yanked. The first oxidized brass instrument originated in Florence, Italy between Ms. Lisa and Mr. da Vinci. Historians believe the frown on Mona Lisa is a result of the oxidation from the direct contact of Leonardo da Vinci’s butthole with her lips. Also see Rusty Trombone
Susan took her son to the antique shop and gave him an oxidized brass instrument.