On this page, you will find 30 slang terms related to Mercy flush. Some of the top words include: Carzy, upper decker, blunkins, taking a roberts, Drop my kids off at the pool, and 25 more.
Flushing the toilet, as not to clog it if your taking a big crap
-- Used if you are taking such a big crap that it might clog the toilet, so you flush 1/2 way.