(Chew-ee chum chum chew-ee)
A way to communicate with some one that has an incredibly large head when they don't understand you the first time you say something.
You-"Hey Jon can you get that for me?"
Jon-"huh?"
You-"Chuy chum chum chuy"
Jon-"fuck you man"
The floating remnants of a particularly large and buoyant panful of excrement. As a defense mechanism, the faeces disperse into smaller chunks when the flush is deployed, surviving to haunt the bowl for the next unfortunate soul to encounter.
Simon: Who was last in the toilet?
Chris: Why?
Simon: There's a load of pedigree chum floating around the bowl.