A curiously fitting nickname for the chatterbox, as well trained noders will rant in the chatterbox instead of noding their rants. Since the chatterbox is "cleaned" more often than the database, the general content of Everything stays relatively rant free(at least in theory), while still providing an outlet for frustration (a common function of online communities).
Please note: this is not meant to be a disparagement, Just an exploration of a metaphor. The chatterbox has other functions as well, this is just one of the more unique ones.