A bucket of shit is a red bucket filled to the brim with dog shit,it stinks and you dont want it to tip over inside the house or its clean up the dog shit time.
Fuck thats a big red bucket of dog shit ,fucken stinks is it all one dog or many mutts that contributed to the collection of dog shit hey im gonna sell it on fucken ebay what the bucket or the shit? um both. Shit in a red bucket you willnever see a deal like this again.Mate that city reminds me of a bucket of shit.
an expression to tell how annoying somebody/something is, as much as something probably very messy.
The reference to a "thick piece of shit" and the fact it is no fitting for a "shallow bucket" probably comes from a real life experience most likely to have happened at the beginning of the 20th century and those before, when modern time toilets were nowhere to be seen in farmhouses and camping grounds of America.
Guy 1: I truly think you should not play with matches that close to the gaz tanks...
Guy2: shut up, you're as annoying as a thick piece of shit in a shallow bucket!!!