Slow Simmer Edit Meaning

1.

When one defecates into a frying pan (or any other stove top accessory) and turns the stove on low overnight whilst the unsuspecting slumbering owners/residents are asleep unknowing of the demise of their kitchen. The smell lasts a few days depending on the duration of the "simmer"

Ryan decided that an "upper decker" was too juvenile, so he decided to pull a "slow simmer" to his good friend Dave.

See poo, upper decker, shit, frying pan, skillet