upper-decker
the act of taking a shit in the cistern of a pub or restaurent toilet to highlight dissatisfaction at service or food standards.
Synonyms for upper-decker
On this page, you will find 30 slang terms related to upper-decker. Some of the top words include: upper-decker, shazam, Shomit, loo, dropping the cosby kids off at the pool, and 25 more.